Cite
[Letter from Frank E. Mann to John J. Herrera - 1939-06-30]
MLA
Mann, Frank E.. "[Letter from Frank E. Mann to John J. Herrera - 1939-06-30]." University of North Texas. Libraries. 1939-06-30, https://texashistory.unt.edu/ark:/67531/metapth248703/.
APA
Mann, Frank E. (1939-06-30). [Letter from Frank E. Mann to John J. Herrera - 1939-06-30]. Retrieved from https://texashistory.unt.edu/ark:/67531/metapth248703/
Chicago
Mann, Frank E.. "[Letter from Frank E. Mann to John J. Herrera - 1939-06-30]." 1939-06-30. July 18, 2025. https://texashistory.unt.edu/ark:/67531/metapth248703/.