Epstein, Albert K. [Letter from Albert K. Epstein to Dr. Meyer Bodansky - November 29, 1940], letter, November 29, 1940; (https://texashistory.unt.edu/ark:/67531/metapth228784/m1/1/: accessed August 17, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .