Regulations for the volunteer force 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 : Industrial mobilization : (procurement planning office of The Assistant Secretary of War) / prep. by the Planning Branch, Office … Supplement to instructions for mounting, using and caring for disappearing carriages L.F., models of 1907 and 1907 M I for 14-inch guns, models of 1907 …