Vinson, Brad & Brown, Jirard. [Black Music and the Civil Rights Movement Concert Photograph UNTA_AR0797-138-008-0019], photograph, January 16, 2011; (https://texashistory.unt.edu/ark:/67531/metadc1357892/m1/1/: accessed September 28, 2020), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .