[Walter Hansen, geography], photograph, 1942; (https://texashistory.unt.edu/ark:/67531/metadc232568/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Walter Hansen, geography], photograph, 1942; (https://texashistory.unt.edu/ark:/67531/metadc232568/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .