[Father and Son Dogs], postcard, Date Unknown; (https://texashistory.unt.edu/ark:/67531/metapth35587/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Father and Son Dogs], postcard, Date Unknown; (https://texashistory.unt.edu/ark:/67531/metapth35587/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .