The George Yamaoka Collection includes Proceeding Transcripts, Defense documents, indexes, Proceedings in Chambers transcripts, correspondence, exhibits and rejected exhibits from the Tokyo War Crimes Tribunal produced and handled by the Defense Team. The collection also includes bound Congressional Hearings on the attack on Pearl Harbor. A few of George Yamaoka’s personal correspondence files are included. Some of the Defense and other materials are in Japanese.

John G. Brannon’s correspondence gives a candid portrayal of Truman politics, the defense of Japanese War Criminals, life in Japan and the international tribunal. The collection also includes: correspondence and papers owned by Bernard Brannon, several manuscripts by John G. Brannon, numerous photographs of post-World War II Japan and 2 16mm films.