Eudora Ramsay Richardson: Personal Conduct For The Soldier. Army Pamphlet No. 21-41. In: Omar N. Bradley Chief of Staff, United States Army, War Department (Hrsg.): Department of the Army Pamphlet. United States Government Printing Office, Washington 11. März 1943, OCLC5820541 (PAM 21-41 Personal Conduct For The Soldier – Internet Archive).
Chief of Cavalry: The Horseshoer. Technical Manual No. 2-220. In: United States Army, War Department (Hrsg.): United States Army Technical Manual. United States Government Printing Office, Washington 11. März 1943, OCLC1029758802 (TM 2-220 The Horseshoer – Internet Archive).
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FM-2-0 Intelligence. Department of the Army, 17. Mai 2004, abgerufen am 22. August 2022.
Eudora Ramsay Richardson: Personal Conduct For The Soldier. Army Pamphlet No. 21-41. In: Omar N. Bradley Chief of Staff, United States Army, War Department (Hrsg.): Department of the Army Pamphlet. United States Government Printing Office, Washington 11. März 1943, OCLC5820541 (PAM 21-41 Personal Conduct For The Soldier – Internet Archive).
Chief of Cavalry: The Horseshoer. Technical Manual No. 2-220. In: United States Army, War Department (Hrsg.): United States Army Technical Manual. United States Government Printing Office, Washington 11. März 1943, OCLC1029758802 (TM 2-220 The Horseshoer – Internet Archive).