Cite

United States. Selective Service Board (Houston, Tex.). "[Selective Service System Notice of Classification Card for Douglas M. Herrera]." University of North Texas. Libraries. 1964-01-15, https://texashistory.unt.edu/ark:/67531/metapth248536/.

United States. Selective Service Board (Houston, Tex.) (1964-01-15). [Selective Service System Notice of Classification Card for Douglas M. Herrera]. Retrieved from https://texashistory.unt.edu/ark:/67531/metapth248536/

United States. Selective Service Board (Houston, Tex.). "[Selective Service System Notice of Classification Card for Douglas M. Herrera]." 1964-01-15. June 23, 2025. https://texashistory.unt.edu/ark:/67531/metapth248536/.