[Photograph of Walter Philmore Evans's Cotton Gin], photograph, 1938; (https://texashistory.unt.edu/ark:/67531/metapth1495695/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Photograph of Walter Philmore Evans's Cotton Gin], photograph, 1938; (https://texashistory.unt.edu/ark:/67531/metapth1495695/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .