[Report to W. P. Gannaway by O. J. Tarver and L. D. Stringfellow, February 18, 1964 #3], report, February 18, 1964; (https://texashistory.unt.edu/ark:/67531/metapth337370/m1/1/: accessed July 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .