Idar, Eduardo, Jr.[Letter from Ed Idar, Jr. to John J. Herrera - December 27, 1955],
letter,
December 27, 1955;
(https://texashistory.unt.edu/ark:/67531/metapth248787/m1/2/:
accessed May 1, 2024),
University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu;
crediting Hoston History Research Center at Houston Public Library.