Historical Register and Dictionary of the United States Army is a 1903 Government Printing Office paper written by Francis B. Heitman.

Sergeant Blazed Trail for WWI Prisoners is a 2019 ARMY article written by Greg Eanes about WWI prisoners of war.

The NCO Backbone of the Army is a 1989 Pentagon Library list of bibliographical sources including books and periodicals.

History of the Noncommissioned Officer a Selected LRC Bibliography is a 1999 list of sources related to NCOs.

Chapter VII Further Reading is a 1997 ARMY expanded reading list about the history of the NCO and an acknowledgement.

Duties of the SGM with Regard to the Reserve Components is a 1971 Department of the Army memorandum written by W.R. Peers.

Creation of Positions of SGM of Army Reserve and SGM of Natl Guard is a 1972 suggestion alongside a collection of 1971 memorandums.

Book Project Emails is a 2001 pair of emails that includes contact information for former OCAR CSMs for collecting more information.