National Parliaments and the European Union
- Conference of Community and European Affairs Committees of Parliaments of the European Union
- Interparliamentary EU Information Exchange (IPEX)
- Belgian Federal Advisory Committee on European Affairs
- Finland — Parliament of Finland and the European Union
- Germany — Bundestag Committee on the Affairs of the European Union
- Germany — Bundesrat Europakammer
- Ireland — Oireachtas Joint Committee on European Affairs
- Netherlands– Tweede Kamer and the European Union
- Sweden European Affairs Committee
- United Kingdom — House of Commons European Scrutiny Committee
Data
- Comparative Parliamentary Democracy Data Archive
- Lijphart Elections Archive
- Social Science Data Archives– Europe
- International Institute for Democracy and Electoral Assistance
- POLITY Data Archive
- European Government Information (UC Berkeley)
- World Directory of Parliamentary Libraries:
- Expanded Trade and GDP data
- Democratic Electoral Systems Around the World, 1946-2000
- Institute for Democracy and Electoral Assistance (IDEA)
Working Papers
Electronic Books
- Parliaments and Majority Rule in Western Europe edited by Herbert Döring
- Patterns of Parliamentary Behavior: Passage of Legislation Across Western Europe edited by Herbert Döring and Mark Hallerberg