[Photograph of an unidentified man, Barbara Steele, Isabell Cottrell, and Melvin Van Peebles on stage], photograph, October 30, 2010; (https://texashistory.unt.edu/ark:/67531/metadc1354893/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .