united states army in world war ii chemical warfare service : organizing for war / by Leo P. Brophy and George J.B. Fisher united states army in world war ii. the technical services. chemical corps volumes Chemical Warfare Service : from laboratory to field / by Leo P. Brophy, Wyndham D. Miles and Rexmond C. Cochrane Final report on special study of setback and spin for artillery, mortar, recoilless rifle, and tank ammunition / by Leo D. Heppner
