Cha Tullis Mural, photograph, May 18, 1994; (https://gateway.okhistory.org/ark:/67531/metadc1667281/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .
Cha Tullis Mural, photograph, May 18, 1994; (https://gateway.okhistory.org/ark:/67531/metadc1667281/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .