Army extension courses. Special text : Attack aviation / prep. under the dir. of the Chief of the Air Corps for use with the Extension … Army extension courses. Special text : Classification of enlisted personnel / prep. under the dir. of the Adjutant General for use with the Extension Course … Army extension courses. Special text : Industrial mobilization : (procurement planning office of The Assistant Secretary of War) / prep. by the Planning Branch, Office … Army extension courses. Special text : Combat principles, the Cavalry rifle squad and platoon, mounted and dismounted / prep. under the dir. of the Chief … Army extension courses. Special text : Transportation : rail / prep. under the dir. of the Quartermaster General for use with the Extension Course of … Army extension courses. Special text : Signal communication for all arms and services / prep. under the dir. of the Chief Signal Officer for use … Hydraulic turbines and governors (Nov. 1945) / Department of the Army, Office of the Chief of Engineers Stresses and criteria for structural design : Working stresses for hydraulic structures (August1947) / Department of the Army. Office of the Chief of Engineers Embankment (for earth dams) (Oct. 1948) / Department of the Army, Office of the Chief of Engineers Cost estimates : Government estimate of fair and reasonable cost to contractor (March 1949) / Department of the Army. Office of the Chief of Engineers Field service regulations United States Army 1913 / Office of the Chief of Staff, War Department army regulations. military school Chemical warfare service / War Department : Chemical warfare board / War Department