Report of Investigation Division by H. Kanemitsu (SCAP), dated November 12th, 1946; on Hosaka's location and the activities he led in the Osaka Office during WW2.
Report of Investigation Division by L.H.Barnard (SCAP), dated October 14th, 1946; on the military and biographical histories of Honji Yamaguchi and Shiro Yamashita.
Report of Investigation Division by Neal R. Smith (SCAP, Legal Section), dated January 28th, 1947; on allegations provided by Ryoichi Naito that Shiro Ishii used POW for his research in bacteriological warfare.
Report of Investigation Division by Neal R. Smith (SCAP, Legal Section), dated January 27th, 1947; on the military and biographical history of Tokio Machida and Seiichi Nakajima.