Cite

Robertson, James B. A., 1871-1938. "Letter Governor James B. A. Robertson to E. B. Howard, Tulsa, 1921 August 23." Oklahoma. Department of Libraries. 1921-08-23, http://digitalprairie.ok.gov/cdm/ref/collection/race-riot/id/186.

Robertson, James B. A., 1871-1938 (1921-08-23). Letter Governor James B. A. Robertson to E. B. Howard, Tulsa, 1921 August 23. Retrieved from http://digitalprairie.ok.gov/cdm/ref/collection/race-riot/id/186

Robertson, James B. A., 1871-1938. "Letter Governor James B. A. Robertson to E. B. Howard, Tulsa, 1921 August 23." 1921-08-23. August 3, 2025. http://digitalprairie.ok.gov/cdm/ref/collection/race-riot/id/186.