Memorandum, Ramey to Commanding General, Strategic Air Command, Special Aerial Photographic Operations, August 15, 1952, Top Secret (1952)
in R. Cargill Hall and Clayton D. Laurie, eds., Early Cold War Overflights 1950-1956: Symposium Proceedings (Washington, D.C.: Office of the Historian, National Reconnaissance Office, 2003), Vol. II, pp. 457-458