Levi, Alan H. [Letter from Alan H. Levi to the Texas Human Rights Foundation Trustees, July 17, 1990], letter, July 17, 1990; (https://texashistory.unt.edu/ark:/67531/metapth1108301/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .