Bodansky, Meyer, 1896-1941 & Michelson, Nicholas. [Correspondence between Meyer Bodansky and Dr. Nicholas Michelson - July 1939], letter, 1939-07-20/1939-07-27; (https://texashistory.unt.edu/ark:/67531/metapth228675/m1/1/: accessed October 22, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .