professional papers of the corps of engineers, u.s. army Report upon experiments and investigations to develop a system of submarine mines for defending the harbors of the United States / submitted to the Board … Field expedient handbook / publ. at the U.S. Army Infantry School packer : training manual U.S. army special bibliographic series era of the Civil War, 1820-1876 : bibliography / comp. by B. Franklin Cooling ; with accompanying essays by Richard Sommers and Gordon Chappell Exterior ballistic tables based on numerical integration : Summital arguments / U.S. Army. Ordnance Department U.S. Army in the World War 1917-1919 : 10 U.S. Army in the World War 1917-1919 : 11 U.S. Army in the World War 1917-1919 : 12 U.S. Army in the World War 1917-1919 : 13 U.S. Army in the World War 1917-1919 : 15 field manual Regulations for correspondents accompanying U.S. Army forces in the field / prepared under direction of the Chief of Staff field manual Regulations for technical observers and service specialists accompagny U.S. Army forces in the field