MERLN (Military Education Research Library Network) 
Web presence of the military education libraries in the United States and worldwide. Access to the combined resources of the largest and most comprehensive collections of military information in the world.
http://merln.ndu.eduProject on Defense Alternatives at the Commonwealth Institute
Defense and international security policy analysis with a critical perspective; U.S., regional, and global issues. Academic examination and treatment of strategic issues.
http://www.comw.org/pda/
The Centre for SouthEast European Studies
Focuses on security and defence aspects of South East Europe.
http://www.csees.net/
