Williams, Byrd M. (Byrd Moore), Jr. [John, Charles, Irene, and Byrd Williams III having a picnic], photograph, 19uu; (https://texashistory.unt.edu/ark:/67531/metadc946285/m1/1/: accessed November 17, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .