1995 US Cryptology During Cold War 1945-1960
1995 US Cryptology During Cold War 1960-1972
1998 US Cryptology During Cold War 1972-1980
1999 US Cryptology During Cold War 1981-1989
2001 CRS National Security Agency
2001 CRS Terrorism + Military Role
2004 CRS Defending US Airspace
2005 Intel Community Reorganization
2006 CRS - Declarations of War and Use of Military Force
2006 CRS Presidential Authority to Conduct Warrantless Electonic Surveillance
2007 CRS Electronic Surveillance Modernization Act
2007 CRS National Security Surveillance Act of 2006
2007 CRS Terrorist Surveillance Act of 2006
2011 CRS Legal Authority to Monitor Phone Calls
2011 Interagency Collaboration on the High Seas
2013 CRS NSA Surveillance Leaks