Travis County (Tex.). Clerk's Office. Travis County Clerk Records: Commissioners Court Minutes 10, book, 1967-02/1968-02; (https://texashistory.unt.edu/ark:/67531/metapth1452985/m1/1/: accessed June 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .