^Air Defense Command Special Order G-4, 15 October 1962
Cornett, Lloyd H. and Johnson, Mildred W., A Handbook of Aerospace Defense Organization 1946 - 1980, [1]Archived 23 November 2006 at the Wayback Machine Office of History, Aerospace Defense Center, Peterson AFB, CO (1980).
Winkler, David F. & Webster, Julie L., Searching the Skies, The Legacy of the United States Cold War Defense Radar Program, [2][dead link] US Army Construction Engineering Research Laboratories, Champaign, IL (1997).