Hearings and Government Publications

Hearings before the Joint Committee on the Investigation of the Pearl Harbor Attack. Congress of the United States, Seventy-Ninth Congress. Pursuant to Senate Concurrent Resolution No. 27 Authorizing an Investigation of the Attack on Pearl Harbor on December 7, 1941, and events and Circumstances Relating Thereto (Washington: United States Government Printing Office, 1946), 39 Volumes

The United States Department of Defense, The "Magic" Background to Pearl Harbor (Washington: USGPO, 1980), 8 Volumes.

National Security Agency, Special Research History (SRH) 051, "Interview with Mr. Ralph T. Briggs, 3 January 1977," 11 May 1980

___________________, SRH-115, "United States Army Investigations into the Handling of Certain Communications Prior to the Attack on Pearl Harbor, 1944–1945," 19 February 1981

___________________, SRH-118, "Incidental Exhibits Re: Pearl Harbor Investigations (MIS/WDGS), 15 April 1981

___________________, SRH-125, "Certain Aspects of "MAGIC" in the Cryptological Background of the Various Official Investigations into the Pearl Harbor Attack," by William F. Friedman, 22 May 1981.

Military Intelligence Service, War Department, General Staff, SRH-128, "Study of Pearl Harbor Hearings," 23 January 1947.

___________________, SRH-177, "Interrogation of Japanese Concerning Broadcast of the 'Winds Execute Message', October – November 1945," 16 July 1982

___________________, SRH-210, "Collection of Papers Related to the 'Winds Execute Message', United States Navy 1945," 22 November 1983

___________________, SRH-233, "U.S. Navy Director of Naval Communications Memoranda on the Page 320 Congressional Investigations of the Attack on Pearl Harbor," 23 March 1983