The Thesaurus for the Social Sciences (Thesaurus Sozialwissenschaften) is a crucial instrument for the content-oriented search by keywords in SOFIS and SOLIS. The list of keywords contains about 12,000 entries, of which more than 8,000 are descriptors (authorised keywords) and about 4,000 non-descriptors. Topics in all of the social science disciplines are included. The Thesaurus for the Social Sciences is also available in interactive form via sowiport. You can choose between alphabetic and systematic lists and between translations in english, german or russian.