Command Study 13, Chapter 1. The Concept of Counterinsurgency
Command Study 13, Chapter 1. The Concept of Counterinsurgency, pamphlet, November 1964; Robins Air Force Base, Georgia. (https://texashistory.unt.edu/ark:/67531/metapth1010669/: accessed July 21, 2019), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting National WASP WWII Museum.