[John Tower Speech on Hispanic Businesses given to the Texas Association of Mexican American Chambers of Commerce in Laredo, Texas, July 28, 1984], text, July 28, 1984; (https://texashistory.unt.edu/ark:/67531/metapth611935/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .