- MAGIC team
1935 - FBI Case Report, Agents of Foreign Principals
23 January 1940 - Memorandum For the Director, FBI from D.M. Ladd, FBI
1 January 1941 - SAC San Francisco to Director, Japanese Militant Organizations Name Changes
6 February 1941 - Planning for Custodial Detention
6 May 1941 - FBI Report on Heimusha Kai and other organizations
3 July 1941 - Report on Japanese Organizations
4 August 1941 - Report on Imperial Military Friends Group
4 October 1941 - Daily Worker News Report on Japanese Espionage
14 October 1941 - FBI Report, San Francisco
24 October 1941 - Japanese Military Servidemen's League and Japanese American Citizens League
3 November 1941 - Japanese Intelligence and Propaganda in the United States During 1941
4 December 1941 - Report on Japanese Military Organizations
4 December 1941 - Letter SAC Honolulu to Director, FBI outlining plans for plans for custodial detention in the event of war.
4 December 1941