The Thesaurus for the Social Sciences (Thesaurus Sozialwissenschaften) contains about 12,000 entries, of which more than 8,000 are descriptors (authorised keywords) and about...

Indices of Social Development brings together 200 indicators into a set of measures to track how societies perform along 5 dimensions of social development: Civic Activism...

From wikipedia: The institute is one of the world's largest documentary- and research-centres for social history. Items in its custody include those relating to Karl Kautsky,...