Shannohan, Bernard. [Postcard from Bernard Shannahan to George Pendexter, July 7, 1912], postcard, July 5, 1912; (https://texashistory.unt.edu/ark:/67531/metapth706161/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .