De la Garza, E. [Letter from Kika de la Garza to John J. Herrera - 1975-09-26], letter, September 26, 1975; (https://texashistory.unt.edu/ark:/67531/metapth249361/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .