Willoughby Camera Stores, Incorporated. [Monthly Statement from Willoughbys, December 18, 1953], text, December 18, 1953; (https://texashistory.unt.edu/ark:/67531/metapth1343829/m1/1/: accessed August 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .