Johnston, W. B. [Postcard from W. B. Johnston to George Pendexter, April 2, 1912], postcard, April 2, 1912; (https://texashistory.unt.edu/ark:/67531/metapth705753/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .