ソロモン・ノーサップ
Fiske, David; Brown, Clifford W. & Seligman, Rachel (2013). Solomon Northup: The Complete Story of the Author of Twelve Years a Slave , a complete biography of Northup
Lester, Julius (1968). To Be a Slave. New York. pp. 39–58 , Newbery Honor, ages 10 and up
Osofsky, Gilbert, ed (1969). Puttin' on Ole Massa: The Slave Narratives of Henry Bibb, William Wells Brown, and Solomon Northup. New York: Harper and Row. LCCN 69-17285