Sozialwissenschaften = social sciences : Thesauri

Thesaurus Sozialwissenschaften (in German):
http://www.gesis.org/Information/Rechercheunterst/#Thesaurus
Ist allerdings nicht kostenlos. Aber man kann darin recherchieren:
http://www.vibsoz.de/Handbuch/HandbuchLang/Schlagwortsysteme.html
oder
http://193.175.239.23/ows-bin/owa/thesf.ThesaurusFrame

Humanities and Social Science Electronic Thesaurus (HASSETT)
http://www.data-archive.ac.uk/search/hassetSearch.asp
also via SOSIG with three options:

• General Social Science Thesaurus


• Government, Politics and Anthropology


• Social Work and Welfare

Geschichte / History : Metasuchdienst / Metadirectory

Digital Library of Historical Directories

Geschichte = History: Übersicht über Online-Quellen = Online Resources : Overview

Curious about Clio? History and Historians on the Web / Andrew Humphries
in: Freepint Newsletter Nr. 156(2004).