diff --git a/Extract_Bibliographic_Info_From_Alma.ipynb b/Extract_Bibliographic_Info_From_Alma.ipynb
index f083120162c35bb3bc0e9d51fd75853c473a8315..3ed2eddda18e70c813fdc00caebd8d318e2b6576 100644
--- a/Extract_Bibliographic_Info_From_Alma.ipynb
+++ b/Extract_Bibliographic_Info_From_Alma.ipynb
@@ -36,7 +36,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": 19,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -60,7 +60,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 20,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -78,7 +78,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 21,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -105,11 +105,11 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 22,
    "metadata": {},
    "outputs": [],
    "source": [
-    "mapping = pd.read_csv('mapping.csv')\n",
+    "mapping = pd.read_csv('minimal_mapping.csv')\n",
     "mapping = mapping.where((pd.notnull(mapping)), None)"
    ]
   },
@@ -122,7 +122,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 23,
    "metadata": {},
    "outputs": [
     {
@@ -146,52 +146,38 @@
        "  <thead>\n",
        "    <tr style=\"text-align: right;\">\n",
        "      <th></th>\n",
-       "      <th>MARC controlfield</th>\n",
-       "      <th>MARC extra selector</th>\n",
-       "      <th>Liste</th>\n",
-       "      <th>MARC-XML controlfield</th>\n",
-       "      <th>Label</th>\n",
-       "      <th>Comment</th>\n",
+       "      <th>pattern</th>\n",
+       "      <th>selector</th>\n",
+       "      <th>collector</th>\n",
+       "      <th>label</th>\n",
        "    </tr>\n",
        "  </thead>\n",
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>0</th>\n",
-       "      <td>009</td>\n",
+       "      <td>100 1 _ $$a</td>\n",
        "      <td>None</td>\n",
        "      <td>None</td>\n",
-       "      <td>&lt;controlfield tag=\"009\"&gt;</td>\n",
-       "      <td>Systemnummer</td>\n",
-       "      <td>AC-Nummer</td>\n",
+       "      <td>Verfasser</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>33</th>\n",
-       "      <td>AVA _ _ $$d ; AVA _ _ $$i ; AVA _ _ $$j</td>\n",
+       "      <th>23</th>\n",
+       "      <td>689 * * $$a</td>\n",
        "      <td>None</td>\n",
-       "      <td>None</td>\n",
-       "      <td>&lt;datafield tag=\"AVA\" ind1=\" \" ind2=\" \"&gt;&lt;subfie...</td>\n",
-       "      <td>Signatur</td>\n",
-       "      <td>Signatur aus Subfield $$d, danach ohne Trennze...</td>\n",
+       "      <td>;</td>\n",
+       "      <td>Schlagworte</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
        "</div>"
       ],
       "text/plain": [
-       "                          MARC controlfield MARC extra selector Liste  \\\n",
-       "0                                       009                None  None   \n",
-       "33  AVA _ _ $$d ; AVA _ _ $$i ; AVA _ _ $$j                None  None   \n",
-       "\n",
-       "                                MARC-XML controlfield         Label  \\\n",
-       "0                            <controlfield tag=\"009\">  Systemnummer   \n",
-       "33  <datafield tag=\"AVA\" ind1=\" \" ind2=\" \"><subfie...      Signatur   \n",
-       "\n",
-       "                                              Comment  \n",
-       "0                                           AC-Nummer  \n",
-       "33  Signatur aus Subfield $$d, danach ohne Trennze...  "
+       "        pattern selector collector        label\n",
+       "0   100 1 _ $$a     None      None    Verfasser\n",
+       "23  689 * * $$a     None         ;  Schlagworte"
       ]
      },
-     "execution_count": 5,
+     "execution_count": 23,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -216,13 +202,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 24,
    "metadata": {},
    "outputs": [],
    "source": [
     "column_extractors = OrderedDict()\n",
     "for _, row in mapping.iterrows():\n",
-    "    column_extractors[row[4]] = marc_extractor.build_extractor(row[0], row[1], row[2])"
+    "    column_extractors[row['label']] = marc_extractor.build_extractor(row['pattern'], row['selector'], row['collector'])"
    ]
   },
   {
@@ -234,23 +220,23 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 25,
    "metadata": {},
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Column 'Signatur' with build_extractor parameters\n",
-      "\tpattern 'AVA _ _ $$d ; AVA _ _ $$i ; AVA _ _ $$j'\n",
+      "Column 'Schlagworte' with build_extractor parameters\n",
+      "\tpattern '689 * * $$a'\n",
       "\tselector 'None'\n",
-      "\tcollector_character 'None'\n",
+      "\tcollector_character ';'\n",
       "\n"
      ]
     }
    ],
    "source": [
-    "print(f\"Column '{str(row[4])}' with build_extractor parameters\\n\\tpattern '{str(row[0])}'\\n\\tselector '{str(row[1])}'\\n\\tcollector_character '{str(row[2])}'\\n\")"
+    "print(f\"Column '{str(row['label'])}' with build_extractor parameters\\n\\tpattern '{str(row['pattern'])}'\\n\\tselector '{str(row['selector'])}'\\n\\tcollector_character '{str(row['collector'])}'\\n\")"
    ]
   },
   {
@@ -270,7 +256,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 26,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -297,15 +283,15 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 27,
    "metadata": {},
    "outputs": [],
    "source": [
     "def uid_list_to_excel(uid_list, excel_file_name_stem):\n",
     "    data = [get_bibliographic_for_uid(uid) for uid in uid_list]\n",
     "    df = pd.DataFrame(data)\n",
-    "    df_post = post(df)\n",
-    "    df_post.to_excel(f'Output/{excel_file_name_stem}_{now()}.xlsx', index=False)"
+    "    # df = post(df)\n",
+    "    df.to_excel(f'Output/{excel_file_name_stem}_{now()}.xlsx', index=False)"
    ]
   },
   {
@@ -317,7 +303,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 28,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -338,7 +324,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 29,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -367,7 +353,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 30,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -407,7 +393,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 31,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -433,7 +419,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 32,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -454,7 +440,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 33,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -491,7 +477,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 34,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -526,7 +512,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 35,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -536,7 +522,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 36,
    "metadata": {},
    "outputs": [],
    "source": [
diff --git a/Output/Test_2019-11-19T162248.xlsx b/Output/Test_2019-11-19T162248.xlsx
new file mode 100644
index 0000000000000000000000000000000000000000..b35f9131b43ce15585d419070ee6dc27b3d99ab3
Binary files /dev/null and b/Output/Test_2019-11-19T162248.xlsx differ
diff --git a/minimal_mapping.csv b/minimal_mapping.csv
new file mode 100644
index 0000000000000000000000000000000000000000..e27d2e49f450b9f965f89d2b500b89f2d7547a1e
--- /dev/null
+++ b/minimal_mapping.csv
@@ -0,0 +1,25 @@
+pattern,selector,collector,label
+100 1 _ $$a,,,Verfasser
+240 1 0 $$a> 240 1 0 $$t >130 0 _ $$a > 130 0 _ $$t,,,Werktitel
+490 1 _ $$a ; 490 1 _ $$v,,,Reihentitel ; Bandzählung
+245 0 0 $$a > 245 1 0 $$a ; 245 0 0 $$b > 245 1 0 $$b,,,Haupttitel ; Titelzusatz
+245 0 0 $$n > 245 1 0 $$n ; 245 0 0 $$p > 245 1 0 $$p,,,Bandzählung ; Titel des Bandes
+250 0 0 $$a,,,Ausgabe
+264 _ 1 $$a,,,Verlagsort
+751 _ _ $$a ;751 _ _ $$0,,;,Verlagsort normiert ; GND-ID
+264 _ 1 $$b > 264 _ 3 $$b,,,Verleger und Drucker
+700 1 _ $$a > 710 2 _ $$a;700 1 _ $$0 > 710 2 _ $$0,$$4 pbl > $$4 pbl;$$4 pbl > $$4 pbl,;,Verleger normiert ; GND-ID
+700 1 _ $$a ; 700 1 _ $$0,$$4 prt ; $$4 prt,,Drucker ; GND-ID
+264 _ 1 $$c>264 _ 3 $$c,,,Erscheinungsjahr
+041 1 _ $$a>041 _ _ $$a,,;,Sprache
+041 1 _ $$h,,,Originalsprache
+024 7 _ $$a,,,Standardnummer
+700 1 _ $$a ; 700 1 _ $$0,$$4 aut ; $$4 aut,;,Weitere Verfasser ; GND-ID
+700 1 _ $$a ; 700 1 _ $$0,$$4 edt ; $$4 edt,;,Herausgeber ; GND-ID
+700 1 _ $$a ; 700 1 _ $$0,$$4 trl ; $$4 trl,;,Übersetzer ; GND-ID
+700 1 _ $$a ; 700 1 _ $$0,$$4 ctb ; $$4 ctb,;,Beiträger ; GND-ID
+700 1 _ $$a ; 700 1 _ $$0 ; 700 1 _ $$a ; 700 1 _ $$0,$$4 oth ; $$4 oth ; $$4 com ; $$4 com,;,Weitere Beteiligte ; GND-ID
+655 _ 7 $$a,,;,Art des Inhalts
+505 8 0 $$a >505 8 0 $$t,,;,Inhalt
+700 1 2 $$a ;700 1 2 $$t > 730 0 2 $$t,,;,Enthaltenen Werke
+689 * * $$a,,;,Schlagworte