Activities concerning mobilization camps and ports of embarkation / Alb. S. Bowen ; prep. under the dir. of M.W. Ireland Finance and supply / Edwin P. Wolfe ; prep. under the direction of M.W. Ireland Neuropsychiatry / prep. under the direction of M.W. Ireland Safety requirements for excavation, building, construction / War department, Corps of Engineers U.S. Army Manual of visual signaling of the U.S. Signal Corps / prepared under the direction of brigadier-general A.W. Greely chief signal officer, U.S. Army by captain … American soldier : Set No. 1 American soldier American soldier