Evolution of the U.S. Army Division(PDF). Fort Belvoir, Virginia: Clearinghouse for Federal Technical and Scientific Information. 1969. pp. 53–60. Archived from the original(PDF) on 16 December 2019.
Evolution of the U.S. Army Division(PDF). Fort Belvoir, Virginia: Clearinghouse for Federal Technical and Scientific Information. 1969. pp. 53–60. Archived from the original(PDF) on 16 December 2019.