Cite
[Letter from H. Darrell Hay to John J. Herrera - 1977-10-20]
MLA
Hay, Herbert Darrell. "[Letter from H. Darrell Hay to John J. Herrera - 1977-10-20]." University of North Texas. Libraries. 1977-10-20, https://texashistory.unt.edu/ark:/67531/metapth249811/.
APA
Hay, Herbert Darrell (1977-10-20). [Letter from H. Darrell Hay to John J. Herrera - 1977-10-20]. Retrieved from https://texashistory.unt.edu/ark:/67531/metapth249811/
Chicago
Hay, Herbert Darrell. "[Letter from H. Darrell Hay to John J. Herrera - 1977-10-20]." 1977-10-20. July 8, 2025. https://texashistory.unt.edu/ark:/67531/metapth249811/.