Rosenberg, Harvey. [Letter from Harvey Rosenberg to John J. Herrera - 1953-11-29], letter, November 29, 1953; (https://texashistory.unt.edu/ark:/67531/metapth248900/m1/1/: accessed August 17, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .