[Letter from Lillian Roberts, March 6, 1979], letter, March 6, 1979; (https://texashistory.unt.edu/ark:/67531/metapth1077746/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Letter from Lillian Roberts, March 6, 1979], letter, March 6, 1979; (https://texashistory.unt.edu/ark:/67531/metapth1077746/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .