Letter reporting on the Plague situation in Changteh, number of cases and scientific research done, and its correlation with the aerial attack of November 4th ,1941.
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).
Technical report on the alleged BW incident at Changteh, which concludes that the outbreak was linked to the scattering of plague infected materials over Changteh by an enemy aircraft on November 4th 1941.