[Attakapan Arrow Heads], photograph, 1980~; (https://texashistory.unt.edu/ark:/67531/metapth36587/m1/1/: accessed April 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Attakapan Arrow Heads], photograph, 1980~; (https://texashistory.unt.edu/ark:/67531/metapth36587/m1/1/: accessed April 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .