War Department decimal file system : a subjective decimal classification with a complete alphabetical index for use of the war department and the United States … Technical aspects of chemical warfare in the field / United States Army. Chemical Warfare Service : Part 1 Technical aspects of chemical warfare in the field : Discussion of experimental data / United States Army. Chemical Warfare Service Dictionary of United States Army Terms - USA Voorschrift, Technical Manual, 20-205 soldier's handbook for use in the army of the United States