Transmission of the Epidemiological Report no. 4 from the US Embassy in Chungking to the Secretary of State on May, 5 1942. It discusses the human and rat plague situation in Changteh and the dangers of it being a rice exporting center .
Extract of the Chinese Press Report "Japanese attempts to create Plague in North China" by the Embassy of the US in Chungking to Military Intelligence Service, Washington D.C. on May, 1 1942.
Cover letter by the E.M.S.T.S to the American Bureau for Medical Aid to China in December 1941 confirming BW waged by the enemy in Changteh, Hunan (missing report).
Far East Bureau, British Ministry of Information in New Delhi regarding the promising future of Japanese science by Lt. Gen. Reikichi Tada, Doctor of Engineering, President of the Scientific Mobilisation Association dated August 1943.
Letter from John Edgar Hoover, director of Naval Intelligence regarding German doctors teaching Japanese the art of bacterial warfare dated January 30th, 1942.
Transmission to the War Department in Washington D.C. by the FBI of a newspaper article on Japanese biological warfare by Fletcher Pratt in April, 1942.
Telegram received by the Embassy of China in London from the Foreign Office, Chungking on April 6, 1942, recounting 5 occasions where the Japanese used bacteriological warfare against the Chinese.