Herrera, John J.[Letter from John J. Herrera to Ernesto Herrera - 1958-06-27],
letter,
June 27, 1958;
(https://texashistory.unt.edu/ark:/67531/metapth248458/m1/3/:
accessed July 16, 2024),
University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu;
crediting Hoston History Research Center at Houston Public Library.