Wilcox, W. D. [Letter from W. D. Wilcox to Dr. Meyer Bodansky - January 31, 1936], letter, January 31, 1936; (https://texashistory.unt.edu/ark:/67531/metapth228850/m1/1/: accessed July 15, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .