Army extension courses. Special text : Supply / prep. under the dir. of the Quartermaster General for use with the Army Extension Courses 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 : Machine guns / prep. under the dir. of the Chief of Cavalry for use with the Extension Course of … Army extension courses. Special text : Administration / prep. under the dir. of the Adjutant General war department technical manual Regimental and unit mail clerks war department technical manual Instruction guide : generating unit M 1 / prepared under direction of the chief of ordnance Army extension courses. Special text : Mess management / prep. under the dir. of the Quartermaster General for use with the Army Extension Courses Army extension courses. Special text : Weapons and musketry / prep. under the dir. of the Chief of Infantry for use with the Extension Course … war department technical manual Power units PE-75-A and PE-75-B war department technical manual Light standard and standard unit steel trestles war department technical manual Maintenance manual and parts catalog, power control unit, model HN field manual Medical department units of a theater of operations