Report of Investigation Division by Neal R. Smith (SCAP, Legal Section), dated April 4th, 1947; on experiments conducted on POW at Kwantung Army Stables and the Water Supply and Purification Unit being part of a wider plan of bacteriological warfare.
Report of Investigation Division by John A. Duffy (Civilian Investigator, SCAP, Legal Section), dated March 17th, 1947; on interviews with Mamoru Ouchi and Tokio Machida and experiments conducted on POW at the Kwantung Army Quarantine Stable.
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.