Mitrovich, Gregory (2000). Undermining the Kremlin: America's Strategy to Subvert the Soviet Bloc, 1947–1956. Cornell University Press. p. 20. ISBN0801437113.
Richard Rashke: Useful Enemies: John Demjanjuk and America's Open-Door Policy For Nazi War Criminals (Delphinium Books, 2013) Google Books
Prados, John (2006). Safe for Democracy: The Secret Wars of the CIA. Ivan R. Dee. p. 180. ISBN978-1615780112.
Foreign Relations 1964–1968, Volume XXVI, Indonesia; Malaysia-Singapore; Philippines: Note on U.S. Covert Action Programs. United States Department of State.