Texas Almanac, 1970-1971, book, 1970~; (https://texashistory.unt.edu/ark:/67531/metapth113810/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Texas Almanac, 1970-1971, book, 1970~; (https://texashistory.unt.edu/ark:/67531/metapth113810/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .