diff --git a/3.2 - Images - Download pre-downsized images for machine learning.ipynb b/3.2 - Images - Download pre-downsized images for machine learning.ipynb
index 3fb93fdd171345f112cdc06be3c58d1e77a6b7c9..413b54ed22705fb64444ab2e136cfb54377dbdf8 100644
--- a/3.2 - Images - Download pre-downsized images for machine learning.ipynb	
+++ b/3.2 - Images - Download pre-downsized images for machine learning.ipynb	
@@ -14,7 +14,9 @@
     "\n",
     "[https://labs.onb.ac.at/en/dataset/akon/](https://labs.onb.ac.at/en/dataset/akon/)\n",
     "\n",
-    "[https://labs.onb.ac.at/gitlab/labs-team/raw-metadata/raw/master/akon_postcards_public_domain.csv.bz2](https://labs.onb.ac.at/gitlab/labs-team/raw-metadata/raw/master/akon_postcards_public_domain.csv.bz2)"
+    "[https://labs.onb.ac.at/gitlab/labs-team/raw-metadata/raw/master/akon_postcards_public_domain.csv.bz2](https://labs.onb.ac.at/gitlab/labs-team/raw-metadata/raw/master/akon_postcards_public_domain.csv.bz2)\n",
+    "\n",
+    "[https://github.com/h2non/jsonpath-ng](https://github.com/h2non/jsonpath-ng)"
    ]
   },
   {
@@ -26,19 +28,12 @@
    },
    "source": [
     "Let's say you got a bunch of old timey scenery photographs.\n",
-    "And you want all images of lakes, why not.\n",
-    "And you want an AI to do all the dirty work for you, because you can."
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {
-    "slideshow": {
-     "slide_type": "fragment"
-    }
-   },
-   "source": [
-    "You can use the historic postcards from the ONB Labs as training data for your AI."
+    "And you want to extract all images of lakes, why not.\n",
+    "And, because you can, you want an AI to do all the dirty work for you.\n",
+    "\n",
+    "What that has to do with this workshop?\n",
+    "\n",
+    "*You can use the **historic postcards** from the ONB Labs as training data for your AI.*"
    ]
   },
   {
@@ -61,6 +56,26 @@
     "Now back to the show."
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "subslide"
+    }
+   },
+   "source": [
+    "What do we have to do?\n",
+    "\n",
+    "* **Download Metdata**\n",
+    "  * List of all available postcards\n",
+    "  * Info about the 'lake-ness' of postcards\n",
+    "* **Create Download Links**\n",
+    "  * To fetch all images\n",
+    "* **Split Into Two Sets**\n",
+    "  * Lakes and non-lakes\n",
+    "* **Download Images**"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {
@@ -81,7 +96,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [
     {
@@ -96,14 +111,16 @@
    "source": [
     "import pandas as pd\n",
     "\n",
+    "# Let pandas show all available columns\n",
     "pd.set_option('display.max_columns', 50)\n",
+    "# Pandas can read data directly from web links, even compressed files\n",
     "meta = pd.read_csv('https://labs.onb.ac.at/gitlab/labs-team/' \\\n",
     "                   'raw-metadata/raw/master/akon_postcards_public_domain.csv.bz2', compression='bz2')"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 4,
    "metadata": {
     "slideshow": {
      "slide_type": "subslide"
@@ -165,51 +182,50 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>9839</th>\n",
-       "      <td>9839</td>\n",
-       "      <td>AK095_271</td>\n",
-       "      <td>60715</td>\n",
-       "      <td>NaN</td>\n",
+       "      <th>21958</th>\n",
+       "      <td>21958</td>\n",
+       "      <td>AK036_452</td>\n",
+       "      <td>21573</td>\n",
+       "      <td>355.0</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>Bastia, Rue des Terasses</td>\n",
-       "      <td>False</td>\n",
-       "      <td>1903 gel</td>\n",
+       "      <td>Piesting</td>\n",
+       "      <td>True</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>Ledermann</td>\n",
+       "      <td>Wien</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>1906.0</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>2014-08-04 07:59:10.288</td>\n",
+       "      <td>1906</td>\n",
+       "      <td>P</td>\n",
+       "      <td>PPLA3</td>\n",
+       "      <td>2771869.0</td>\n",
+       "      <td>47.87358</td>\n",
+       "      <td>16.12510</td>\n",
+       "      <td>Piesting</td>\n",
+       "      <td>AT</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>2014-09-02 07:50:01.517</td>\n",
-       "      <td>gelaufen 1903</td>\n",
-       "      <td>P</td>\n",
-       "      <td>PPLA2</td>\n",
-       "      <td>3034640.0</td>\n",
-       "      <td>42.70278</td>\n",
-       "      <td>9.45000</td>\n",
-       "      <td>Bastia</td>\n",
-       "      <td>FR</td>\n",
-       "      <td>Korsika</td>\n",
-       "      <td>A5</td>\n",
-       "      <td>42.70278, 9.45</td>\n",
+       "      <td>47.87358, 16.1251</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>17826</th>\n",
-       "      <td>17826</td>\n",
-       "      <td>AK080_449</td>\n",
-       "      <td>50329</td>\n",
+       "      <th>31428</th>\n",
+       "      <td>31428</td>\n",
+       "      <td>AK102_214</td>\n",
+       "      <td>66938</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>Roma, Via Appia Nuova</td>\n",
+       "      <td>Schaffhausen</td>\n",
        "      <td>False</td>\n",
-       "      <td>v 1905</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
+       "      <td>v. 1907</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>Hohfluh</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
@@ -217,214 +233,223 @@
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>2014-08-25 15:48:21.484</td>\n",
-       "      <td>vor 1905</td>\n",
+       "      <td>Geogr. Topogr. Bilder-Samml. 1951, 1093</td>\n",
+       "      <td>2014-09-03 10:50:31.524</td>\n",
+       "      <td>vor 1907</td>\n",
        "      <td>P</td>\n",
-       "      <td>PPLC</td>\n",
-       "      <td>3169070.0</td>\n",
-       "      <td>41.89474</td>\n",
-       "      <td>12.48390</td>\n",
-       "      <td>Roma</td>\n",
-       "      <td>IT</td>\n",
+       "      <td>PPLA</td>\n",
+       "      <td>2658761.0</td>\n",
+       "      <td>47.69732</td>\n",
+       "      <td>8.63493</td>\n",
+       "      <td>Schaffhausen</td>\n",
+       "      <td>CH</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>41.89474, 12.4839</td>\n",
+       "      <td>47.69732, 8.63493</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>20639</th>\n",
-       "      <td>20639</td>\n",
-       "      <td>AK032_101</td>\n",
-       "      <td>18815</td>\n",
+       "      <th>13828</th>\n",
+       "      <td>13828</td>\n",
+       "      <td>AK008_015</td>\n",
+       "      <td>4271</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>Sechshaus</td>\n",
-       "      <td>Weidling</td>\n",
-       "      <td>True</td>\n",
-       "      <td>v 1907</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>Eiskaarspitze</td>\n",
+       "      <td>False</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>Dachstein</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>Ledermann</td>\n",
        "      <td>Wien</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>1921.0</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>2014-08-04 07:59:10.250</td>\n",
-       "      <td>vor 1907</td>\n",
-       "      <td>P</td>\n",
-       "      <td>PPL</td>\n",
-       "      <td>2761741.0</td>\n",
-       "      <td>48.29100</td>\n",
-       "      <td>16.30865</td>\n",
-       "      <td>Weidling</td>\n",
+       "      <td>2014-08-04 07:59:09.895</td>\n",
+       "      <td>1921</td>\n",
+       "      <td>T</td>\n",
+       "      <td>MT</td>\n",
+       "      <td>2775701.0</td>\n",
+       "      <td>47.47545</td>\n",
+       "      <td>13.60588</td>\n",
+       "      <td>Dachstein</td>\n",
        "      <td>AT</td>\n",
-       "      <td>Niederösterreich</td>\n",
-       "      <td>03</td>\n",
-       "      <td>48.291, 16.30865</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>NaN</td>\n",
+       "      <td>47.47545, 13.60588</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>28262</th>\n",
-       "      <td>28262</td>\n",
-       "      <td>AK061_487</td>\n",
-       "      <td>36913</td>\n",
+       "      <th>22725</th>\n",
+       "      <td>22725</td>\n",
+       "      <td>AK039_299</td>\n",
+       "      <td>23224</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>Pontebba</td>\n",
+       "      <td>Attnang</td>\n",
        "      <td>False</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>Topf</td>\n",
+       "      <td>Attnang-Puchheim</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>1919.0</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>1918.0</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>Geogr. Topogr. Bilder-Samml. 1944, 18587</td>\n",
-       "      <td>2014-08-04 07:59:10.412</td>\n",
-       "      <td>1918</td>\n",
+       "      <td>2014-08-04 07:59:10.309</td>\n",
+       "      <td>1919</td>\n",
        "      <td>P</td>\n",
-       "      <td>PPLA3</td>\n",
-       "      <td>3170297.0</td>\n",
-       "      <td>46.50540</td>\n",
-       "      <td>13.30622</td>\n",
-       "      <td>Pontebba</td>\n",
-       "      <td>IT</td>\n",
+       "      <td>PPLX</td>\n",
+       "      <td>2782285.0</td>\n",
+       "      <td>48.01667</td>\n",
+       "      <td>13.71667</td>\n",
+       "      <td>Attnang</td>\n",
+       "      <td>AT</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>46.5054, 13.30622</td>\n",
+       "      <td>48.01667, 13.71667</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>33213</th>\n",
-       "      <td>33213</td>\n",
-       "      <td>AK080_268</td>\n",
-       "      <td>50142</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>NaN</td>\n",
-       "      <td>New York</td>\n",
-       "      <td>True</td>\n",
-       "      <td>v 1905</td>\n",
-       "      <td>NaN</td>\n",
+       "      <th>32047</th>\n",
+       "      <td>32047</td>\n",
+       "      <td>AK067_186</td>\n",
+       "      <td>40906</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>Salzburg</td>\n",
+       "      <td>False</td>\n",
+       "      <td>1918 gel</td>\n",
+       "      <td>Mönchsberg</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>Würthle &amp; Sohn Nachfolger G. m. b. H</td>\n",
+       "      <td>Salzburg</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>2014-08-25 15:27:14.452</td>\n",
-       "      <td>vor 1905</td>\n",
+       "      <td>2014-08-12 14:04:34.797</td>\n",
+       "      <td>gelaufen 1918</td>\n",
        "      <td>P</td>\n",
-       "      <td>PPL</td>\n",
-       "      <td>5128581.0</td>\n",
-       "      <td>40.71427</td>\n",
-       "      <td>-74.00597</td>\n",
-       "      <td>New York City</td>\n",
-       "      <td>US</td>\n",
+       "      <td>PPLA</td>\n",
+       "      <td>2766824.0</td>\n",
+       "      <td>47.79941</td>\n",
+       "      <td>13.04399</td>\n",
+       "      <td>Salzburg</td>\n",
+       "      <td>AT</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>40.71427, -74.00597</td>\n",
+       "      <td>47.79941, 13.04399</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>757</th>\n",
-       "      <td>757</td>\n",
-       "      <td>AK115_107</td>\n",
-       "      <td>77157</td>\n",
+       "      <th>17407</th>\n",
+       "      <td>17407</td>\n",
+       "      <td>AK020_443</td>\n",
+       "      <td>11927</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>Corte S. Ilario e Duomo</td>\n",
-       "      <td>Görz</td>\n",
-       "      <td>False</td>\n",
-       "      <td>1900 gel</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>Saalfelden</td>\n",
+       "      <td>False</td>\n",
+       "      <td>v 1907</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
+       "      <td>Ledermann</td>\n",
+       "      <td>Wien</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>79/66 G</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>2014-09-09 10:20:27.631</td>\n",
-       "      <td>gelaufen 1900</td>\n",
+       "      <td>2014-08-04 07:59:10.121</td>\n",
+       "      <td>vor 1907</td>\n",
        "      <td>P</td>\n",
-       "      <td>PPLA2</td>\n",
-       "      <td>3175986.0</td>\n",
-       "      <td>45.94088</td>\n",
-       "      <td>13.62167</td>\n",
-       "      <td>Gorizia</td>\n",
-       "      <td>IT</td>\n",
+       "      <td>PPLA3</td>\n",
+       "      <td>2766922.0</td>\n",
+       "      <td>47.42681</td>\n",
+       "      <td>12.84800</td>\n",
+       "      <td>Saalfelden am Steinernen Meer</td>\n",
+       "      <td>AT</td>\n",
        "      <td>NaN</td>\n",
        "      <td>NaN</td>\n",
-       "      <td>45.94088, 13.62167</td>\n",
+       "      <td>47.42681, 12.848</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "       Unnamed: 0    akon_id     id  altitude                 building  \\\n",
-       "9839         9839  AK095_271  60715       NaN                      NaN   \n",
-       "17826       17826  AK080_449  50329       NaN                      NaN   \n",
-       "20639       20639  AK032_101  18815       NaN                Sechshaus   \n",
-       "28262       28262  AK061_487  36913       NaN                      NaN   \n",
-       "33213       33213  AK080_268  50142       NaN                      NaN   \n",
-       "757           757  AK115_107  77157       NaN  Corte S. Ilario e Duomo   \n",
+       "       Unnamed: 0    akon_id     id  altitude building           city  color  \\\n",
+       "21958       21958  AK036_452  21573     355.0      NaN       Piesting   True   \n",
+       "31428       31428  AK102_214  66938       NaN      NaN   Schaffhausen  False   \n",
+       "13828       13828  AK008_015   4271       NaN      NaN  Eiskaarspitze  False   \n",
+       "22725       22725  AK039_299  23224       NaN      NaN        Attnang  False   \n",
+       "32047       32047  AK067_186  40906       NaN      NaN       Salzburg  False   \n",
+       "17407       17407  AK020_443  11927       NaN      NaN     Saalfelden  False   \n",
        "\n",
-       "                           city  color   comment mountain other photographer  \\\n",
-       "9839   Bastia, Rue des Terasses  False  1903 gel      NaN   NaN          NaN   \n",
-       "17826     Roma, Via Appia Nuova  False    v 1905      NaN   NaN          NaN   \n",
-       "20639                  Weidling   True    v 1907      NaN   NaN          NaN   \n",
-       "28262                  Pontebba  False       NaN      NaN   NaN          NaN   \n",
-       "33213                  New York   True    v 1905      NaN   NaN          NaN   \n",
-       "757                        Görz  False  1900 gel      NaN   NaN          NaN   \n",
+       "        comment    mountain    other photographer  \\\n",
+       "21958       NaN         NaN      NaN          NaN   \n",
+       "31428   v. 1907         NaN  Hohfluh          NaN   \n",
+       "13828       NaN   Dachstein      NaN          NaN   \n",
+       "22725       NaN         NaN      NaN          NaN   \n",
+       "32047  1918 gel  Mönchsberg      NaN          NaN   \n",
+       "17407    v 1907         NaN      NaN          NaN   \n",
        "\n",
-       "       publisher publisher_place region water_body    year inventory_number  \\\n",
-       "9839         NaN             NaN    NaN        NaN     NaN              NaN   \n",
-       "17826        NaN             NaN    NaN        NaN     NaN              NaN   \n",
-       "20639  Ledermann            Wien    NaN        NaN     NaN              NaN   \n",
-       "28262        NaN             NaN    NaN        NaN  1918.0              NaN   \n",
-       "33213        NaN             NaN    NaN        NaN     NaN              NaN   \n",
-       "757          NaN             NaN    NaN        NaN     NaN          79/66 G   \n",
+       "                                  publisher   publisher_place region  \\\n",
+       "21958                             Ledermann              Wien    NaN   \n",
+       "31428                                   NaN               NaN    NaN   \n",
+       "13828                             Ledermann              Wien    NaN   \n",
+       "22725                                  Topf  Attnang-Puchheim    NaN   \n",
+       "32047  Würthle & Sohn Nachfolger G. m. b. H          Salzburg    NaN   \n",
+       "17407                             Ledermann              Wien    NaN   \n",
        "\n",
-       "                                      signature            revision_date  \\\n",
-       "9839                                        NaN  2014-09-02 07:50:01.517   \n",
-       "17826                                       NaN  2014-08-25 15:48:21.484   \n",
-       "20639                                       NaN  2014-08-04 07:59:10.250   \n",
-       "28262  Geogr. Topogr. Bilder-Samml. 1944, 18587  2014-08-04 07:59:10.412   \n",
-       "33213                                       NaN  2014-08-25 15:27:14.452   \n",
-       "757                                         NaN  2014-09-09 10:20:27.631   \n",
+       "      water_body    year inventory_number  \\\n",
+       "21958        NaN  1906.0              NaN   \n",
+       "31428        NaN     NaN              NaN   \n",
+       "13828        NaN  1921.0              NaN   \n",
+       "22725        NaN  1919.0              NaN   \n",
+       "32047        NaN     NaN              NaN   \n",
+       "17407        NaN     NaN              NaN   \n",
+       "\n",
+       "                                     signature            revision_date  \\\n",
+       "21958                                      NaN  2014-08-04 07:59:10.288   \n",
+       "31428  Geogr. Topogr. Bilder-Samml. 1951, 1093  2014-09-03 10:50:31.524   \n",
+       "13828                                      NaN  2014-08-04 07:59:09.895   \n",
+       "22725                                      NaN  2014-08-04 07:59:10.309   \n",
+       "32047                                      NaN  2014-08-12 14:04:34.797   \n",
+       "17407                                      NaN  2014-08-04 07:59:10.121   \n",
        "\n",
        "                date feature_class feature_code  geoname_id  latitude  \\\n",
-       "9839   gelaufen 1903             P        PPLA2   3034640.0  42.70278   \n",
-       "17826       vor 1905             P         PPLC   3169070.0  41.89474   \n",
-       "20639       vor 1907             P          PPL   2761741.0  48.29100   \n",
-       "28262           1918             P        PPLA3   3170297.0  46.50540   \n",
-       "33213       vor 1905             P          PPL   5128581.0  40.71427   \n",
-       "757    gelaufen 1900             P        PPLA2   3175986.0  45.94088   \n",
+       "21958           1906             P        PPLA3   2771869.0  47.87358   \n",
+       "31428       vor 1907             P         PPLA   2658761.0  47.69732   \n",
+       "13828           1921             T           MT   2775701.0  47.47545   \n",
+       "22725           1919             P         PPLX   2782285.0  48.01667   \n",
+       "32047  gelaufen 1918             P         PPLA   2766824.0  47.79941   \n",
+       "17407       vor 1907             P        PPLA3   2766922.0  47.42681   \n",
        "\n",
-       "       longitude           name country_id      admin_name_1 admin_code_1  \\\n",
-       "9839     9.45000         Bastia         FR           Korsika           A5   \n",
-       "17826   12.48390           Roma         IT               NaN          NaN   \n",
-       "20639   16.30865       Weidling         AT  Niederösterreich           03   \n",
-       "28262   13.30622       Pontebba         IT               NaN          NaN   \n",
-       "33213  -74.00597  New York City         US               NaN          NaN   \n",
-       "757     13.62167        Gorizia         IT               NaN          NaN   \n",
+       "       longitude                           name country_id admin_name_1  \\\n",
+       "21958   16.12510                       Piesting         AT          NaN   \n",
+       "31428    8.63493                   Schaffhausen         CH          NaN   \n",
+       "13828   13.60588                      Dachstein         AT          NaN   \n",
+       "22725   13.71667                        Attnang         AT          NaN   \n",
+       "32047   13.04399                       Salzburg         AT          NaN   \n",
+       "17407   12.84800  Saalfelden am Steinernen Meer         AT          NaN   \n",
        "\n",
-       "                       geo  \n",
-       "9839        42.70278, 9.45  \n",
-       "17826    41.89474, 12.4839  \n",
-       "20639     48.291, 16.30865  \n",
-       "28262    46.5054, 13.30622  \n",
-       "33213  40.71427, -74.00597  \n",
-       "757     45.94088, 13.62167  "
+       "      admin_code_1                 geo  \n",
+       "21958          NaN   47.87358, 16.1251  \n",
+       "31428          NaN   47.69732, 8.63493  \n",
+       "13828          NaN  47.47545, 13.60588  \n",
+       "22725          NaN  48.01667, 13.71667  \n",
+       "32047          NaN  47.79941, 13.04399  \n",
+       "17407          NaN    47.42681, 12.848  "
       ]
      },
-     "execution_count": 6,
+     "execution_count": 4,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -446,7 +471,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [
     {
@@ -476,50 +501,50 @@
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
-       "      <th>7017</th>\n",
-       "      <td>AK082_070</td>\n",
-       "      <td>NaN</td>\n",
+       "      <th>19411</th>\n",
+       "      <td>AK027_436</td>\n",
+       "      <td>Millstätter See</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>17570</th>\n",
-       "      <td>AK021_135</td>\n",
+       "      <th>24183</th>\n",
+       "      <td>AK045_467</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>19626</th>\n",
-       "      <td>AK028_223</td>\n",
+       "      <th>7038</th>\n",
+       "      <td>AK082_171</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>4202</th>\n",
-       "      <td>AK058_235</td>\n",
+       "      <th>21425</th>\n",
+       "      <td>AK035_008</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>17094</th>\n",
-       "      <td>AK019_205</td>\n",
+       "      <th>8853</th>\n",
+       "      <td>AK107_209</td>\n",
        "      <td>NaN</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>29221</th>\n",
-       "      <td>AK068_474</td>\n",
-       "      <td>NaN</td>\n",
+       "      <th>27306</th>\n",
+       "      <td>AK057_094</td>\n",
+       "      <td>Csorba See</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "         akon_id water_body\n",
-       "7017   AK082_070        NaN\n",
-       "17570  AK021_135        NaN\n",
-       "19626  AK028_223        NaN\n",
-       "4202   AK058_235        NaN\n",
-       "17094  AK019_205        NaN\n",
-       "29221  AK068_474        NaN"
+       "         akon_id       water_body\n",
+       "19411  AK027_436  Millstätter See\n",
+       "24183  AK045_467              NaN\n",
+       "7038   AK082_171              NaN\n",
+       "21425  AK035_008              NaN\n",
+       "8853   AK107_209              NaN\n",
+       "27306  AK057_094       Csorba See"
       ]
      },
-     "execution_count": 20,
+     "execution_count": 4,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -550,28 +575,578 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "ONB Labs' own `SACHA` project provides an API for accessing digitized objects via IIIF.\n",
+    "The [SACHA project](https://iiif.onb.ac.at/) provides an API for accessing digitized objects of the National Library via IIIF.\n",
     "The online documentation for the API is here: [https://iiif.onb.ac.at/api](https://iiif.onb.ac.at/api).\n",
     "\n",
-    "We're especially interested in the possibility to serve manifests: [https://iiif.onb.ac.at/api#_manifestrequestprocessor](https://iiif.onb.ac.at/api#_manifestrequestprocessor).\n",
+    "We're especially interested in the possibility to serve manifests: [https://iiif.onb.ac.at/api#_manifestrequestprocessor](https://iiif.onb.ac.at/api#_manifestrequestprocessor):\n",
     "\n",
-    "The project name is `AKON`, see also [https://iiif.onb.ac.at/api#_digitization_projects)(https://iiif.onb.ac.at/api#_digitization_projects)."
+    "```\n",
+    "GET /presentation/{projectName}/{id}/manifest\n",
+    "```"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "subslide"
+    }
+   },
+   "source": [
+    "```\n",
+    "GET /presentation/{projectName}/{id}/manifest\n",
+    "```\n",
+    "\n",
+    "The `projectName` is `AKON` ('AnsichtsKarten ONline'), the `id` is the `akon_id`.\n",
+    "\n",
+    "See also [https://iiif.onb.ac.at/api#_digitization_projects](https://iiif.onb.ac.at/api#_digitization_projects)."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "subslide"
+    }
+   },
+   "source": [
+    "### Create Download Links for Manifests"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 11,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "def akon_id_to_manifest_link(akon_id):\n",
+    "    return f'https://iiif.onb.ac.at/presentation/AKON/{akon_id}/manifest'"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 12,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "fragment"
+    }
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "'https://iiif.onb.ac.at/presentation/AKON/AK024_176/manifest'"
+      ]
+     },
+     "execution_count": 12,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "akon_id_to_manifest_link('AK024_176')"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "subslide"
+    }
+   },
+   "source": [
+    "Let's test the link"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 14,
+   "metadata": {
+    "scrolled": true,
+    "slideshow": {
+     "slide_type": "fragment"
+    }
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "{'@context': 'https://iiif.io/api/presentation/2/context.json',\n",
+       " '@id': 'https://iiif.onb.ac.at/presentation/AKON/AK024_176/manifest',\n",
+       " '@type': 'sc:Manifest',\n",
+       " 'label': 'Wien, III',\n",
+       " 'metadata': [{'label': [{'@value': 'Id', '@language': 'en'},\n",
+       "    {'@value': 'Id', '@language': 'ger'}],\n",
+       "   'value': 'AK024_176'},\n",
+       "  {'label': [{'@value': 'Title', '@language': 'en'},\n",
+       "    {'@value': 'Titel', '@language': 'ger'}],\n",
+       "   'value': 'Wien, III'},\n",
+       "  {'label': [{'@value': 'Place', '@language': 'en'},\n",
+       "    {'@value': 'Ort', '@language': 'ger'}],\n",
+       "   'value': \"<a href='https://sws.geonames.org/2773040'>Landstraße</a>\"},\n",
+       "  {'label': [{'@value': 'Publisher', '@language': 'en'},\n",
+       "    {'@value': 'Verlag', '@language': 'ger'}],\n",
+       "   'value': 'Ledermann'},\n",
+       "  {'label': [{'@value': 'Place of Publications', '@language': 'en'},\n",
+       "    {'@value': 'Erscheinungsort', '@language': 'ger'}],\n",
+       "   'value': 'Wien'},\n",
+       "  {'label': [{'@value': 'Year', '@language': 'en'},\n",
+       "    {'@value': 'Jahr', '@language': 'ger'}],\n",
+       "   'value': '1906'},\n",
+       "  {'label': [{'@value': 'Disseminator', '@language': 'en'},\n",
+       "    {'@value': 'Anbieter', '@language': 'ger'}],\n",
+       "   'value': \"<a href='https://akon.onb.ac.at/'>Ansichtskarten Online</a>\"},\n",
+       "  {'label': [{'@value': 'Physical Location', '@language': 'en'},\n",
+       "    {'@value': 'Standort', '@language': 'ger'}],\n",
+       "   'value': 'ÖNB'}],\n",
+       " 'description': 'Russische Kirche',\n",
+       " 'viewingDirection': 'left-to-right',\n",
+       " 'viewingHint': 'paged',\n",
+       " 'license': 'http://creativecommons.org/publicdomain/mark/1.0/',\n",
+       " 'attribution': [{'@value': 'Austrian National Library', '@language': 'en'},\n",
+       "  {'@value': 'Österreichische Nationalbibliothek', '@language': 'ger'}],\n",
+       " 'logo': 'https://iiif.onb.ac.at/logo/',\n",
+       " 'seeAlso': [{'@id': 'http://data.onb.ac.at/AKON/AK024_176',\n",
+       "   'format': 'text/html'},\n",
+       "  {'@id': 'http://data.onb.ac.at/AKON/AK024_176.rdf',\n",
+       "   'format': 'application/rdf+xml'}],\n",
+       " 'sequences': [{'@context': 'https://iiif.io/api/presentation/2/context.json',\n",
+       "   '@id': 'https://iiif.onb.ac.at/presentation/AKON/AK024_176/sequence/normal',\n",
+       "   '@type': 'sc:Sequence',\n",
+       "   'startCanvas': 'https://iiif.onb.ac.at/presentation/AKON/AK024_176/canvas/176',\n",
+       "   'canvases': [{'@context': 'https://iiif.io/api/presentation/2/context.json',\n",
+       "     '@id': 'https://iiif.onb.ac.at/presentation/AKON/AK024_176/canvas/176',\n",
+       "     '@type': 'sc:Canvas',\n",
+       "     'label': 'Wien, III',\n",
+       "     'height': 1681,\n",
+       "     'width': 1082,\n",
+       "     'images': [{'@context': 'https://iiif.io/api/presentation/2/context.json',\n",
+       "       '@id': 'https://iiif.onb.ac.at/presentation/AKON/AK024_176/annotation/176',\n",
+       "       '@type': 'oa:Annotation',\n",
+       "       'motivation': 'sc:painting',\n",
+       "       'resource': {'@id': 'https://iiif.onb.ac.at/images/AKON/AK024_176/176/full/full/0/native.jpg',\n",
+       "        '@type': 'dctypes:Image',\n",
+       "        'height': 1681,\n",
+       "        'width': 1082,\n",
+       "        'format': 'image/jpeg',\n",
+       "        'service': {'@context': 'https://iiif.io/api/image/2/context.json',\n",
+       "         '@id': 'https://iiif.onb.ac.at/images/AKON/AK024_176/176',\n",
+       "         'profile': 'https://iiif.io/api/image/2/level2.json'}},\n",
+       "       'on': 'https://iiif.onb.ac.at/presentation/AKON/AK024_176/canvas/176'}]}]}]}"
+      ]
+     },
+     "execution_count": 14,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "import requests\n",
+    "\n",
+    "r = requests.get(akon_id_to_manifest_link('AK024_176'))\n",
+    "r.json()"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "subslide"
+    }
+   },
+   "source": [
+    "The manifest link seems to work. Let's add them to the dataframe."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 16,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "fragment"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "meta['manifest_link'] = meta['akon_id'].apply(akon_id_to_manifest_link)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 17,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "fragment"
+    }
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>akon_id</th>\n",
+       "      <th>manifest_link</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>34406</th>\n",
+       "      <td>AK072_262</td>\n",
+       "      <td>https://iiif.onb.ac.at/presentation/AKON/AK072...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>30373</th>\n",
+       "      <td>AK085_299</td>\n",
+       "      <td>https://iiif.onb.ac.at/presentation/AKON/AK085...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>18098</th>\n",
+       "      <td>AK023_263</td>\n",
+       "      <td>https://iiif.onb.ac.at/presentation/AKON/AK023...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3152</th>\n",
+       "      <td>AK122_506</td>\n",
+       "      <td>https://iiif.onb.ac.at/presentation/AKON/AK122...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>31981</th>\n",
+       "      <td>AK097_136</td>\n",
+       "      <td>https://iiif.onb.ac.at/presentation/AKON/AK097...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>160</th>\n",
+       "      <td>AK111_325</td>\n",
+       "      <td>https://iiif.onb.ac.at/presentation/AKON/AK111...</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "         akon_id                                      manifest_link\n",
+       "34406  AK072_262  https://iiif.onb.ac.at/presentation/AKON/AK072...\n",
+       "30373  AK085_299  https://iiif.onb.ac.at/presentation/AKON/AK085...\n",
+       "18098  AK023_263  https://iiif.onb.ac.at/presentation/AKON/AK023...\n",
+       "3152   AK122_506  https://iiif.onb.ac.at/presentation/AKON/AK122...\n",
+       "31981  AK097_136  https://iiif.onb.ac.at/presentation/AKON/AK097...\n",
+       "160    AK111_325  https://iiif.onb.ac.at/presentation/AKON/AK111..."
+      ]
+     },
+     "execution_count": 17,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "meta.sample(6)[['akon_id', 'manifest_link']]"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "subslide"
+    }
+   },
+   "source": [
+    "### Collect Image Links"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Let's take a look at that manifest again:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 18,
+   "metadata": {
+    "scrolled": true
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "{'@context': 'https://iiif.io/api/presentation/2/context.json',\n",
+       " '@id': 'https://iiif.onb.ac.at/presentation/AKON/AK024_176/manifest',\n",
+       " '@type': 'sc:Manifest',\n",
+       " 'label': 'Wien, III',\n",
+       " 'metadata': [{'label': [{'@value': 'Id', '@language': 'en'},\n",
+       "    {'@value': 'Id', '@language': 'ger'}],\n",
+       "   'value': 'AK024_176'},\n",
+       "  {'label': [{'@value': 'Title', '@language': 'en'},\n",
+       "    {'@value': 'Titel', '@language': 'ger'}],\n",
+       "   'value': 'Wien, III'},\n",
+       "  {'label': [{'@value': 'Place', '@language': 'en'},\n",
+       "    {'@value': 'Ort', '@language': 'ger'}],\n",
+       "   'value': \"<a href='https://sws.geonames.org/2773040'>Landstraße</a>\"},\n",
+       "  {'label': [{'@value': 'Publisher', '@language': 'en'},\n",
+       "    {'@value': 'Verlag', '@language': 'ger'}],\n",
+       "   'value': 'Ledermann'},\n",
+       "  {'label': [{'@value': 'Place of Publications', '@language': 'en'},\n",
+       "    {'@value': 'Erscheinungsort', '@language': 'ger'}],\n",
+       "   'value': 'Wien'},\n",
+       "  {'label': [{'@value': 'Year', '@language': 'en'},\n",
+       "    {'@value': 'Jahr', '@language': 'ger'}],\n",
+       "   'value': '1906'},\n",
+       "  {'label': [{'@value': 'Disseminator', '@language': 'en'},\n",
+       "    {'@value': 'Anbieter', '@language': 'ger'}],\n",
+       "   'value': \"<a href='https://akon.onb.ac.at/'>Ansichtskarten Online</a>\"},\n",
+       "  {'label': [{'@value': 'Physical Location', '@language': 'en'},\n",
+       "    {'@value': 'Standort', '@language': 'ger'}],\n",
+       "   'value': 'ÖNB'}],\n",
+       " 'description': 'Russische Kirche',\n",
+       " 'viewingDirection': 'left-to-right',\n",
+       " 'viewingHint': 'paged',\n",
+       " 'license': 'http://creativecommons.org/publicdomain/mark/1.0/',\n",
+       " 'attribution': [{'@value': 'Austrian National Library', '@language': 'en'},\n",
+       "  {'@value': 'Österreichische Nationalbibliothek', '@language': 'ger'}],\n",
+       " 'logo': 'https://iiif.onb.ac.at/logo/',\n",
+       " 'seeAlso': [{'@id': 'http://data.onb.ac.at/AKON/AK024_176',\n",
+       "   'format': 'text/html'},\n",
+       "  {'@id': 'http://data.onb.ac.at/AKON/AK024_176.rdf',\n",
+       "   'format': 'application/rdf+xml'}],\n",
+       " 'sequences': [{'@context': 'https://iiif.io/api/presentation/2/context.json',\n",
+       "   '@id': 'https://iiif.onb.ac.at/presentation/AKON/AK024_176/sequence/normal',\n",
+       "   '@type': 'sc:Sequence',\n",
+       "   'startCanvas': 'https://iiif.onb.ac.at/presentation/AKON/AK024_176/canvas/176',\n",
+       "   'canvases': [{'@context': 'https://iiif.io/api/presentation/2/context.json',\n",
+       "     '@id': 'https://iiif.onb.ac.at/presentation/AKON/AK024_176/canvas/176',\n",
+       "     '@type': 'sc:Canvas',\n",
+       "     'label': 'Wien, III',\n",
+       "     'height': 1681,\n",
+       "     'width': 1082,\n",
+       "     'images': [{'@context': 'https://iiif.io/api/presentation/2/context.json',\n",
+       "       '@id': 'https://iiif.onb.ac.at/presentation/AKON/AK024_176/annotation/176',\n",
+       "       '@type': 'oa:Annotation',\n",
+       "       'motivation': 'sc:painting',\n",
+       "       'resource': {'@id': 'https://iiif.onb.ac.at/images/AKON/AK024_176/176/full/full/0/native.jpg',\n",
+       "        '@type': 'dctypes:Image',\n",
+       "        'height': 1681,\n",
+       "        'width': 1082,\n",
+       "        'format': 'image/jpeg',\n",
+       "        'service': {'@context': 'https://iiif.io/api/image/2/context.json',\n",
+       "         '@id': 'https://iiif.onb.ac.at/images/AKON/AK024_176/176',\n",
+       "         'profile': 'https://iiif.io/api/image/2/level2.json'}},\n",
+       "       'on': 'https://iiif.onb.ac.at/presentation/AKON/AK024_176/canvas/176'}]}]}]}"
+      ]
+     },
+     "execution_count": 18,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "r = requests.get(akon_id_to_manifest_link('AK024_176'))\n",
+    "r.json()"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "subslide"
+    }
+   },
+   "source": [
+    "We need to collect all `@id`s from all `resource`s from all `images` from all `canvases`.\n",
+    "\n",
+    "That's tedious by hand. We'll use `jsonpath-ng`:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 21,
    "metadata": {},
    "outputs": [],
    "source": [
-    "PROJ = 'AKON'"
+    "from jsonpath_ng import jsonpath, parse\n",
+    "\n",
+    "image_id_jp = parse('$.sequences[*].canvases[*].images[*].resource.@id')"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 23,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "fragment"
+    }
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "['https://iiif.onb.ac.at/images/AKON/AK024_176/176/full/full/0/native.jpg']"
+      ]
+     },
+     "execution_count": 23,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "[match.value for match in image_id_jp.find(r.json())]"
    ]
   },
   {
    "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "subslide"
+    }
+   },
+   "source": [
+    "All of this in one function:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 27,
    "metadata": {},
+   "outputs": [],
    "source": [
-    "**TODO**"
+    "image_id_jp = parse('$.sequences[*].canvases[*].images[*].resource.@id')\n",
+    "\n",
+    "def image_links_for_manifest_link(manifest_link):\n",
+    "    r = requests.get(manifest_link)\n",
+    "    try:\n",
+    "        json = r.json()\n",
+    "    except:\n",
+    "        # default to empty on any errors\n",
+    "        # makes batch processing easier in pandas\n",
+    "        json = {}\n",
+    "    image_links = [match.value for match in image_id_jp.find(json)]\n",
+    "    return image_links"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 28,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "fragment"
+    }
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "['https://iiif.onb.ac.at/images/AKON/AK024_176/176/full/full/0/native.jpg']"
+      ]
+     },
+     "execution_count": 28,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "image_links_for_manifest_link(akon_id_to_manifest_link('AK024_176'))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 29,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "fragment"
+    }
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "['https://iiif.onb.ac.at/images/AKON/AK111_325/325/full/full/0/native.jpg']"
+      ]
+     },
+     "execution_count": 29,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "image_links_for_manifest_link(akon_id_to_manifest_link('AK111_325'))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Looking good."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "subslide"
+    }
+   },
+   "source": [
+    "Now let's add the image links to the dataframe...\n",
+    "\n",
+    "...actually, let's not do that now, because it takes a while (upwards of 10 minutes). Let's cheat instead, skip this step and load the resulting dataframe directly."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 31,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "fragment"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "CPU times: user 7min 26s, sys: 18 s, total: 7min 44s\n",
+      "Wall time: 12min 34s\n"
+     ]
+    }
+   ],
+   "source": [
+    "# %%time\n",
+    "# meta['image_links'] = meta['manifest_link'].apply(image_links_for_manifest_link)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 33,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stderr",
+     "output_type": "stream",
+     "text": [
+      "/home/kst/tmp/dingsdi/lib/python3.7/site-packages/IPython/core/interactiveshell.py:3049: DtypeWarning: Columns (14) have mixed types. Specify dtype option on import or set low_memory=False.\n",
+      "  interactivity=interactivity, compiler=compiler, result=result)\n"
+     ]
+    }
+   ],
+   "source": [
+    "meta = pd.read_csv('postcards_with_image_links.csv.bz2', compression='bz2')"
    ]
   },
   {
@@ -616,6 +1191,63 @@
    "metadata": {},
    "outputs": [],
    "source": []
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "# Just The Code"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import pandas as pd\n",
+    "\n",
+    "\n",
+    "def akon_id_to_manifest_link(akon_id):\n",
+    "    return f'https://iiif.onb.ac.at/presentation/AKON/{akon_id}/manifest'\n",
+    "\n",
+    "\n",
+    "meta = pd.read_csv('https://labs.onb.ac.at/gitlab/labs-team/' \\\n",
+    "                   'raw-metadata/raw/master/akon_postcards_public_domain.csv.bz2', compression='bz2')\n",
+    "meta['manifest_link'] = meta['akon_id'].apply(akon_id_to_manifest_link)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "slideshow": {
+     "slide_type": "subslide"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "import requests\n",
+    "from jsonpath_ng import jsonpath, parse\n",
+    "\n",
+    "\n",
+    "image_id_jp = parse('$.sequences[*].canvases[*].images[*].resource.@id')\n",
+    "\n",
+    "def image_links_for_manifest_link(manifest_link):\n",
+    "    r = requests.get(manifest_link)\n",
+    "    try:\n",
+    "        json = r.json()\n",
+    "    except:\n",
+    "        json = {}\n",
+    "    return [match.value for match in image_id_jp.find(json)]\n",
+    "\n",
+    "\n",
+    "meta['image_links'] = meta['manifest_link'].apply(image_links_for_manifest_link)"
+   ]
   }
  ],
  "metadata": {
diff --git a/postcards_with_image_links.csv.bz2 b/postcards_with_image_links.csv.bz2
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