News extracts from the New York Times, and a broadcast from Chungking, China in 1942, on Japan's use of bacteriological warfare against China. Radio broadcast presents information, and states that results are usually kept as a military secret.
Military Attache Report by the Military Intelligence Division on October 2nd, 1944. The document combines miscellaneous information regarding Japanese biological warfare.
Documents from the Naval Research Laboratory, Anacostia Station, addressed to the Officer in Charge, Technical Air Intelligence Center, regarding Balloons and Japanese paper dated March 2nd, 1945.