1. Belasco , Amy L.J. Cunningham H. Fischer L.A. Niksch 2007 Congressional Restrictions on US Military Operations in Vietnam, Cambodia, Laos, Somalia, and Kosovo: Funding and Non-funding Approaches . Congressional Research Service, January 16, p. CRS-6
2. At the Hands of Historians: The Antiwar Movement of the Vietnam Era;Chatfield;Peace and Change,2004