Bell, Richard. “Harriet Beecher Stowe and Harriet Tubman.” The Great Courses Plus. Accessed June 1, 2020. 

Fiske, David, Clifford W. Brown, and Rachel Seligman. Solomon Northup : The Complete Story of the Author of Twelve Years a Slave. Santa Barbara, CA: ABC-CLIO, LLC, 2013.

Foner, Eric. Gateway to Freedom: the Hidden History of the Underground Railroad. New York: W.W. Norton and Company, 2015. 

Northup, Solomon. Twelve Years a Slave. New York: Penguin Books, 2013. 

Helton, Stanley. “John M. Tibaut’s Bad Behavior in Twelve Years a Slave and the Spring Hill Baptist Church.” Academia.edu. Accessed June 1, 2020 at: https://www.academia.edu/25940643/John_M._Tibaut_s_Bad_Behavior_in_Twelve_Years_a_Slave_and_the_Spring_Hill_Baptist_Church.