[Letter from UNT Health Science Board of Regents, to Harold M. Williams, December 3, 1993], letter, December 3, 1993; (https://texashistory.unt.edu/ark:/67531/metadc1039777/m1/1/: accessed June 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .