field manual Mountain operations / War Department U.S. war department technical manual Regimental and unit mail clerks TF 2-508 INF Airborne OPNS SOP MFO Field service regulations United States Army 1913 / Office of the Chief of Staff, War Department Field service regulations United States Army 1923 / prep. under the direction of the Chief of Staff operating instructions Wireless remote control unit no. 1 (Canadian) / issued by Communication Development Division, Signals Production Branch, Department of Munitions and Supply Signal book United States army 1912 training manual / united states army Basic signal communication : students manual for all arms training manual / united states army Basic signal communication : instructors guide and all arms training manual / united states army Telephone switchboard operator : students manual for all arms training manual / united states army Message center specialist : students manual for all arms : 1923 training manual / united states army field lineman : instructors guide for all arms
