The European Union in the U.S. Delegation of the European Commission to the U.S. Washington, D.C. Contains excellent links and research tools.
Europa Homepage European Union's main homepage. Contains news and basic information on the European Union, and links to European institutions and policy.
AEI: Archive of European Integration. The AEI is an electronic repository and archive for research materials on the topic of European integration and unification.
SCADPLus Glossary of Terms An A-Z glossary of EU terms, nicely cross-referenced.
A Glossary of the European Communities and European Union Comprehensive list of acronyms, initiatives, institutions, policies, and programmes. Via the University of Aberdeen.
European Integration Online Papers Published by the European Communities Studies Association-Austria.