[Hagemann House, (NE Oblique)], photograph, April 6, 1981; (https://texashistory.unt.edu/ark:/67531/metapth925718/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Hagemann House, (NE Oblique)], photograph, April 6, 1981; (https://texashistory.unt.edu/ark:/67531/metapth925718/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .