Schulz, Paul. [Letter from Paul Schulz to F. H. Stelzer, October 2, 1945], letter, October 2, 1945; (https://texashistory.unt.edu/ark:/67531/metapth591411/m1/1/: accessed November 16, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .