[Obituary for Burton Edwin Estill], clipping, June 12, 2007; (https://texashistory.unt.edu/ark:/67531/metapth379865/m1/1/: accessed May 1, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Obituary for Burton Edwin Estill], clipping, June 12, 2007; (https://texashistory.unt.edu/ark:/67531/metapth379865/m1/1/: accessed May 1, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .