Army extension courses. Special text : Statement of money accountability / prep. under the dir. of the Chief of Finance for use with the Extension … Army extension courses. Special text : Signal supply / prep. under the dir. of the Chief Signal Officer for use with the Extension Course of … Army extension courses. Special text : Command, staff and logistics : infantry / prep. under the dir. of the Chief of Infantry for use with … Army extension courses. Special text : The Air Corps supply system / prep. under the dir. of the Chief of The Air Corps for use … 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 … Planning : Planning of family housing at army installations / War Department. Office of the Chief of Engineers Instruction for the preparation and revision of army extension courses / prep. under the dir. of the Adjudant General