ZBW is a member of the Leibniz Association that has explored and mapped the category system of the world's largest public press archives. The archives contain over 25,000 thematic dossiers from 1908 to 1949 about persons, general subjects, events, and companies with over 2 million scanned pages available online. ZBW aims to map the historic system used to organize knowledge about the world in the press archives to Wikidata to make the information more accessible.

1. ZBW is member of the Leibniz Association
Exploring and mapping the category system of
the world‘s largest public press archives
Joachim Neubert
ZBW – Leibniz Information Centre for Economics, Kiel/Hamburg
SWIB19, Hamburg, 26.11.2019

2. https://commons.wikimedia.org/wiki/File:ZBW-Personenarchiv_2015.jpg by Max-Michael Wannags
20th Century Press Archives

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20th Century Press Archives
25.000 thematic dossiers (c. 1908-1949) about
 Persons => completely linked from Wikidata
 General subjects and events
 Companies
 Products
with more than 2 million pages scanned and available online

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The category system for countries and topics

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„Map a historic system for the organization of
knowledge about the whole world to Wikidata “
Join WikiProject 20th Century Press Archives

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Thanks!
Joachim Neubert
ZBW – Leibniz Information Centre for Economics
j.neubert@zbw.eu
http://zbw.eu/labs
https://www.wikidata.org/wiki/User:Jneubert