Technique of machine-gun fire : indirect laying training regulations Chemical warfare service / War Department : Defense against chemical warfare / War Department Training regulations. Tent drill : To pitch and strike shelter tents Training regulations. Bridges : Stringer bridges and the use of pile and trestle supports Army extension courses. Common subcourse : Preferring charges : selection of charges and drafting charges and specifications Army extension courses. Common subcourse : Duties of summary court officers and members of courts martial Army extension courses. Common subcourse : Final examination training manual Carpentry for military specialists : Master carpenter / United States Army training regulations Topography and surveying / War Department : Map and aerial photograph reading / War Department training regulations Topography and surveying / War Department : Map reading, the harriman geographic index system / War Department training regulations Chemical warfare service / War Department : The technique of chemical weapons / War Department training regulations Chemical warfare service / War Department : Examination for gunners / War Department