Robinson, Harry, Jr. [Letter from Harry Robinson, Jr. to Margaret Winn - January 14, 1987], letter, January 14, 1987; (https://texashistory.unt.edu/ark:/67531/metapth305487/m1/1/: accessed January 17, 2020), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .