Riggs, Lamar (1955). "Judge Isaac C. Parker". The Arkansas Historical Quarterly. 14 (1). Arkansas Historical Association: 85–89. doi:10.2307/40018689. JSTOR40018689.
Stolberg, Mary M. (1988). "Politician, Populist, Reformer: A Reexamination of "Hanging Judge" Isaac C. Parker". The Arkansas Historical Quarterly. 47 (1): 3–28. doi:10.2307/40038130. JSTOR40038130.
encyclopediaofarkansas.net
Radcliff, Maranda (December 5, 2014). "Isaac Charles Parker (1838–1896)". The Encyclopedia of Arkansas History and Culture. The Central Arkansas Library System. Retrieved December 14, 2015.
Riggs, Lamar (1955). "Judge Isaac C. Parker". The Arkansas Historical Quarterly. 14 (1). Arkansas Historical Association: 85–89. doi:10.2307/40018689. JSTOR40018689.
Stolberg, Mary M. (1988). "Politician, Populist, Reformer: A Reexamination of "Hanging Judge" Isaac C. Parker". The Arkansas Historical Quarterly. 47 (1): 3–28. doi:10.2307/40038130. JSTOR40038130.