The Subordinate: The Art of Followership is a 1975 Infantry Journal article written by Michael T. Woodward.

To the Noncommissioned Officers is a Classbook dedicated to NCOs that contains a list of committees and the NCO Creed.

USAIS and the NCO Creed is an email between John Cato Jr. and Dan Elder about the research project to find the origins of the NCO Creed.

The Army’s Command Sergeant Major Problem is a 1988 Parameters article written by John C. Bahnsen and James W. Bradin.

The Honored Professional is a 1989 Center of Military History booklet written by Julius W. Gates and Carl E. Vuono.

The Purple Heart is a 1932 Military District of Washington fact sheet about the history of the Purple Heart.

The Purple Heart & Wound Chevron is a 2002 USAMHI bibliography that contains a list of sources relating to the Purple Heart.

The Medal of Honor is a 2003 United States Army Historical Medals article about the origin and history of the Medal of Honor.

The Purple Heart – Then and Now is a MOPH article that examines the history of the Purple Heart as well as its modern position.