Beto, George J. [Letter from George J. Beto to Paul Schulz, March 4, 1948], letter, March 4, 1948; (https://texashistory.unt.edu/ark:/67531/metapth606476/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .