diff --git a/metadata-readme/Botanical-illustrations-metadata-readme.md b/metadata-readme/Botanical-illustrations-metadata-readme.md
index 0b128e21ad25571e9cb05ce47a6a9f529d4edd8f..b0c544eb56b31687e450ec9e3021a306d1c798e3 100644
--- a/metadata-readme/Botanical-illustrations-metadata-readme.md
+++ b/metadata-readme/Botanical-illustrations-metadata-readme.md
@@ -1,7 +1,5 @@
 This Readme offers explanations for all attributes of the metadata csv table to the dataset "Botanical Illustrations"
 
-| attribute | explanation |     
-| ---- | ---- |     
-| a | b |     
-
-
+| attribute | explanation | frequency | datatype |
+| ---- | ---- | ---- | ---- |
+| a | b | c | d |
\ No newline at end of file
diff --git a/metadata-readme/Die-Bombe-metadata-readme.md b/metadata-readme/Die-Bombe-metadata-readme.md
index 34cd064bf3de995eafad3b282986a38ecb9a19c9..9e6281a5a0ebfc328e7835b678bd8352024f6a74 100644
--- a/metadata-readme/Die-Bombe-metadata-readme.md
+++ b/metadata-readme/Die-Bombe-metadata-readme.md
@@ -1,6 +1,23 @@
 This Readme offers explanations for all attributes of the metadata csv table to the dataset "Botanical Illustrations"
 
-| attribute | explanation |     
-| ---- | ---- |     
-| a | b |     
-
+| attribute | explanation | frequency | datatype |
+| ---- | ---- | ---- | ---- |
+| manifest_id | | some | string |
+| aid | | some | string |
+| year | | some | string |
+| day | | some | string |
+| dc_title | | some | string |
+| dc_title_additional | | some | string |
+| subjects | | some | string |
+| place_of_publications | | some | string |
+| languages | | some | string |
+| dc_type | | some | string |
+| meta_type | | some | string |
+| ini_type | | some | string |
+| modification_datetime | | some | string |
+| longer_page_id | | some | string |
+| dc_date | | some | string |
+| link_pdf | | some | string |
+| link_old | | some | string |
+| has_ocr | | some | string |
+| page_count | | some | string |
\ No newline at end of file
diff --git a/metadata-readme/Historical-postcards-metadata-readme.md b/metadata-readme/Historical-postcards-metadata-readme.md
index c73548ee486c6444d643b4bc9c6a8ad0334566e7..242930d4d4514fc16f768d2665cec7f840c4cbfe 100644
--- a/metadata-readme/Historical-postcards-metadata-readme.md
+++ b/metadata-readme/Historical-postcards-metadata-readme.md
@@ -1,17 +1,35 @@
 This Readme offers explanations for all attributes of the metadata csv table to the dataset "Historical Postcards"
 
-| attribute | explanation |  frequency |      
-| ---- | ---- | ---- |     
-| akon_id | id (shelfmark) of the document | all |     
-| id | id of data record in KAWAN  | all |    
-| altitude | float for geolocation altitude | some |    
-| building | has literal, if building was tagged in metadata editing | some |    
-| city | has literal, if city was tagged in metadata editing | most |    
-| color | has boolean True for color postcards | all |    
+| attribute | explanation | frequency | datatype |
+| ---- | ---- | ---- | ---- |
+| akon_id | id (shelfmark) of the document | all | string |    
+| id | internal numerical id | all | integer |
+| altitude | geolocation altitude | some | integer |
+| building | has literal, if building was tagged in metadata editing | some | string |
+| city | has literal, if city was tagged in metadata editing | most | string |
+| color | True for color postcards | all | boolean |
 | comment | has literal for | most |     
-| mountain | has literal, if mountain was tagged in metadata editing | some |    
-| other | has literal for any other tags | some |      
-| photographer | has literal, if photographer was identified. Name usually in the form \{forename surname\}. Not linked to GND | some | 
-| publisher | has literal, if publisher was identified. Name usually in the form \{forename surname\} OR \{surname\}. Not linked to GND | some |     
-| publisher_place | has literal, if publication place was identified. Not linked to Geonames or GND | some |     
-
+| mountain | has literal, if mountain was tagged in metadata editing | some | string |
+| other | has literal for any other tags | some | string |
+| photographer | has literal, if photographer was identified. Name usually in the form \{forename surname\}. Not linked to GND | some | string |
+| publisher | has literal, if publisher was identified. Name usually in the form \{forename surname\} OR \{surname\}. Not linked to GND | some | string |
+| publisher_place | has literal, if publication place was identified. Not linked to Geonames or GND | some | string |
+| region | | some | string |
+| water_body | | some | string |
+| year | | some | string |
+| inventory_number | | some | string |
+| signature | | some | string |
+| revision_date | | some | string |
+| date | | some | string |
+| feature_class | | some | string |
+| feature_code | | some | string |
+| geoname_id | | some | string |
+| latitude | | some | string |
+| longitude | | some | string |
+| name | | some | string |
+| country_id | | some | string |
+| admin_name_1 | | some | string |
+| admin_code_1 | | some | string |
+| geo | | some | string |
+| download_link | url to the full resolution image | all | string |
+| download_link_256x256 | url to the thumbnail image with resolution 256x256 px | all | string |
\ No newline at end of file
diff --git a/metadata-readme/Personal-documents-Berg-metadata-readme.md b/metadata-readme/Personal-documents-Berg-metadata-readme.md
index 66ccaa1ac461c7d656e3c985a7ef9864939e15de..4ac009a346bd26616889c47caa7a12697329d681 100644
--- a/metadata-readme/Personal-documents-Berg-metadata-readme.md
+++ b/metadata-readme/Personal-documents-Berg-metadata-readme.md
@@ -1,6 +1,5 @@
 This Readme offers explanations for all attributes of the metadata csv table to the dataset "Personal Documents Alban Berg"
 
-| attribute | explanation |     
-| ---- | ---- |     
-| a | b |     
-
+| attribute | explanation | frequency | datatype |
+| ---- | ---- | ---- | ---- |
+| a | b | c | d |
\ No newline at end of file