Army Core Values Throughout NCO History is a 1998 AUSA’s Institute of Land Warfare NCO Notes article written by Dan Elder.

Army Doctrine Update is a 2007 Combined Arms Doctrine Directorate article about the update to military vocabulary.

Army Directive 2013-15 (Noncommissioned Officer Promotions) is a 2013 Department of Defense memorandum written by John M. McHugh.

Army Directive 2013-15 is a 2013 Department of Defense memorandum on the establishment of the necessity of structured self-development.

Appendix to the Congressional Record is a 1942 addendum including the extension of remarks on Leadership given by Henrik Shipstead.

Annual Command History is a 1994 U.S. Army Combined Arms Center table of contents section showing an overview.