Herrera, John J.[Letter from John J. Herrera to Romeo Vera, Sr. - 1964-08-07],
letter,
August 7, 1964;
(https://texashistory.unt.edu/ark:/67531/metapth250703/m1/2/:
accessed July 18, 2024),
University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.;
crediting Hoston History Research Center at Houston Public Library.