Texas (Zavala County): La Pryor Quadrangle, map, 1941; (https://texashistory.unt.edu/ark:/67531/metapth493671/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Texas (Zavala County): La Pryor Quadrangle, map, 1941; (https://texashistory.unt.edu/ark:/67531/metapth493671/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .