Johnston, W. B. [Postcard from W. B. Johnston to George Pendexter, July 24, 1912], postcard, July 24, 1912; (https://texashistory.unt.edu/ark:/67531/metapth705638/m1/1/: accessed July 12, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .