- ERPA - European Research Papers Archive
 ERPA is a common access point for series in the field of European integration research including papers from Harvard Law School, EIOP, European University Institute (Florence), Max Planck Institut für Gesellschaftsforschung, ARENA (Oslo).
- European Documentation Centre (EDC) Mannheim
 The EU maintains in co-operation with European universities a network of European Documentation Centres (EDC). The EDC at the University of Mannheim has set up a very interesting and comprehensive web site on EU affairs.
- Advanced Research on the Europeanisation of the Nation State (ARENA)
Information on the research project, and its publications.
- ECLAS
European Commission Library Catalogue
- ECSA
European Community Studies Association, with useful link list ("EU-doc")
- Euristote
A university research database on European integration which includes references to over 20,000 doctoral thesis'.
- EUROPA - Information sources and contacts - Databases by Subject
List of databases within the European Union, by subject.
- European Documentation Centres with webpages
A list (with links) of all EDC's mainting a web site.
- European Union Joint Research Centre
Commission service providing scientific advice and technical knowledge to support European Union policies.
- European Union Official Publications
The Office for Official Publications of the European Communities is the publishing house of the institutions and other bodies of the European Union (EU). It is responsible for producing and distributing EU publications on all media and by all means.
- Historical Archives of the European Communities
Index to the archives, located in Italy.
- Online Introductory Course - European Union
History of the EU and its institutions from UNESCO's Dadalos Education project.
- TEPSA - Trans-European Policy Studies Association
network of think tanks. It aims the promotion of international research on European integration, policies and political options for Europe.
- UACES
University Association for Contemporary European Studies, editor of the 'Journal of Common Market Studies'
- Who's Who
Directory of researchers with basic information on their fields of study, and courses.
- Writings in European Integration
List of working papers and journals available online
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