Hollywood, 18 July 1939 - Institutional correspondence A telegram from the Motion Pictures Artists' Committee to Evelyn Ahrend
New York, 24 October 1945 - Institutional correspondence A letter from Curt Valentin to Roland Penrose
Department of the Army, Washington D.C., March 14, 1970 - Government report Report of the Department of the Army Review of the Preliminary Investigations into the My Lai Incident