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.
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 .
Translation by the US National Censorship of an extract of the article "Enemy employs disease-germ warfare" published in 1942 by the Chinese newspaper Chung Sai Yat Po.
Memorandums for Wilhelm D. Styer from Howard I. Cole on October 16, 1944 regarding the capture of a secret Japanese document about "bacterial strategy".
Letter to the Chief of Staff from R.B. Lowry on November 17, 1944 regarding a prisoner of war testimony on biological warfare being carried out in Nanking and developed by the Water Purification Unit.