training manual / united states army Telegraph operator : instructors guide for all arms : 1925 training manual / united states army Telegraph operator : students manual for all arms field manual army postal service / Prepared under direction of the adjutant general merkblatt Sammlung von Vorträgen über die überwachung von Lebensmittel tierischer Herkunft bei Lehrgangen, vom 10-9-41 field manual Tactics and technique / Prepared under direction of the chief of the armored force Planning : Planning procedures and principles / War Department. Office of the Chief of Engineers Planning : Planning of army air forces installations / War Department. Office of the Chief of Engineers Planning : Planning of storage depots / War Department. Office of the Chief of Engineers Behelfsmäsziges bauen im Kriege : Unterkunft Mechanical design : Gas fitting / War Department. Office of the Chief of Engineers Electrical design : Electric power supply and distribution / War Department. Office of the Chief of Engineers Electrical design : Interior electric system / War Department. Office of the Chief of Engineers