Front of Black Notebook, photograph, 1963~; (https://texashistory.unt.edu/ark:/67531/metapth49468/m1/1/: accessed May 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Front of Black Notebook, photograph, 1963~; (https://texashistory.unt.edu/ark:/67531/metapth49468/m1/1/: accessed May 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .