Cite
[Letter from John J. Herrera to Carlos E. Castañeda - 1947-04-01]
MLA
Herrera, John J.. "[Letter from John J. Herrera to Carlos E. Castañeda - 1947-04-01]." University of North Texas. Libraries. 1947-04-01, https://texashistory.unt.edu/ark:/67531/metapth249393/.
APA
Herrera, John J. (1947-04-01). [Letter from John J. Herrera to Carlos E. Castañeda - 1947-04-01]. Retrieved from https://texashistory.unt.edu/ark:/67531/metapth249393/
Chicago
Herrera, John J.. "[Letter from John J. Herrera to Carlos E. Castañeda - 1947-04-01]." 1947-04-01. July 18, 2025. https://texashistory.unt.edu/ark:/67531/metapth249393/.