[Letter from Gus C. Garcia to Hector P. Garcia and others - 1960-06-08], letter, June 8, 1960; (https://texashistory.unt.edu/ark:/67531/metapth248885/m1/1/: accessed April 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .