[December 1969 Choir Performance], photograph, 1969; (https://texashistory.unt.edu/ark:/67531/metapth129397/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[December 1969 Choir Performance], photograph, 1969; (https://texashistory.unt.edu/ark:/67531/metapth129397/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .