field manual Service of the piece 155-MM gun, M1918 Safety requirements for excavation, building, construction / War department, Corps of Engineers U.S. Army Regulations for the government of the United States army general hospitals / Office of the Surgeon General, War Department military laws of the United States 1915 Cavalry drill regulations [for the] United States Army Regulations for the army of the United States Cavalry drill regulations [for the] United States Army 1916 Infantry drill regulations [for the] United States army 1911; with corrections to November, 1913 Manual for noncommissioned officers and privates of infantry of the organized militia and volunteers of the United States Infantry drill regulations (provisional) 1919 [for the] United States army Military engineering (tentative) Engineer field manual / prepared under the direction of the Chief of Engineers