Dick Johnson with Model Planes, photograph, November 11, 1960; (https://texashistory.unt.edu/ark:/67531/metapth40398/m1/1/: accessed April 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Dick Johnson with Model Planes, photograph, November 11, 1960; (https://texashistory.unt.edu/ark:/67531/metapth40398/m1/1/: accessed April 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .