Sheldon, Jessica & Tavary, Raymond. Oral History Interview with Raymond Tavary, April 25, 2002, text, November 27, 2004; (https://texashistory.unt.edu/ark:/67531/metapth845229/m1/1/: accessed November 14, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .