Western European Union (WEU):Security and defense alliance involving states throughout Europe.
Assembly of WEU: The Western European Union's interparliamentary forum, established in 1954 by the Brussels Treaty. Background, news and documents.
Cato Institute - The Western European Union As NATO's Successor: Advocates US disengagement and the WEU taking over NATO's defensive role in Europe. Article by Barbara Conry, September 1995.
Columbia Encyclopedia - Western European Union: Short article from the Sixth Edition, 2001.
CSDR - The Role of WEU in the New European Security: 1996 paper by WEU Deputy Secretary General Horst Holthoff. Published by the Centre for Strategic Decision Research.
NATO Handbook - Western European Union: Overview of the WEU's history and development, placing it in the context of other multilateral organisations such as NATO and the EU.
Wikipedia - Western European Union: Hyperlinked encyclopedia article provides a brief history and some information about the member states.