Cook, Jody (26 February 2001). Sprinkle, John H. Jr. (ed.). Significance of Property, Overview(PDF). National Historic Landmark Nomination, Randolph Field Historic District (Report). US Department of the Interior, National Park Service. Archived from the original(PDF) on 7 November 2012. Retrieved 24 December 2024., pp. 39–40.
web.archive.org
Cook, Jody (26 February 2001). Sprinkle, John H. Jr. (ed.). Significance of Property, Overview(PDF). National Historic Landmark Nomination, Randolph Field Historic District (Report). US Department of the Interior, National Park Service. Archived from the original(PDF) on 7 November 2012. Retrieved 24 December 2024., pp. 39–40.