El Solitario, Winter/Spring 2011, periodical, January 2011; (https://texashistory.unt.edu/ark:/67531/metapth1495398/m1/1/: accessed June 4, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
El Solitario, Winter/Spring 2011, periodical, January 2011; (https://texashistory.unt.edu/ark:/67531/metapth1495398/m1/1/: accessed June 4, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .