special monographs Agricultural deferment 20th century minutemen : a report to the president on a reserve forces training program / National security training commission quarterly report to the president by the director of defense mobilization job ahead for defense mobilization / by the director of defense mobilization quarterly report to the president by the director of defense mobilization Strength for the long run / by the director of defense mobilization Service handbook of the Bausch and Lomb 15-foot and 22-foot horizontal self-contained base range finders Regulations governing the field force of the office of the supervising architect Historical report of the Chief Engineer, including all operations of the Engineer Department, American expeditionary forces 1917-1919 Description of 3-inch (15-pounder) gun, model of 1903 and its breech mechanism Handbook of the 3.8-inch howitzer-matériel, model of 1915 : with instructions for its care : 1916 Handbook of artillery : including mobile antiaircraft, trench and automotive matériel Handbook of the Gatling gun, caliber .30, models of 1895, 1900 and 1903, metallic carriage and limber and casemate mount Description and rules for the management of the U.S. magazine rifle model 1898 and magazine carbine model of 1899 : caliber .30