Cite
[Letter from Bob Casey to John M. Herrera - 1966-06-13]
MLA
Casey, Robert R. (Robert Randolph), 1915-1986. "[Letter from Bob Casey to John M. Herrera - 1966-06-13]." University of North Texas. Libraries. 1966-06-13, https://texashistory.unt.edu/ark:/67531/metapth249349/.
APA
Casey, Robert R. (Robert Randolph), 1915-1986 (1966-06-13). [Letter from Bob Casey to John M. Herrera - 1966-06-13]. Retrieved from https://texashistory.unt.edu/ark:/67531/metapth249349/
Chicago
Casey, Robert R. (Robert Randolph), 1915-1986. "[Letter from Bob Casey to John M. Herrera - 1966-06-13]." 1966-06-13. July 23, 2025. https://texashistory.unt.edu/ark:/67531/metapth249349/.