"Twelve Years a Slave: Narrative of Solomon Northup, a Citizen of New-York, Kidnapped in Washington City in 1841, and Rescued in 1853", Auburn, N.Y.: Derby and Miller, 1853, at "Documenting the American South," University of North Carolina.
"Twelve Years a Slave: Narrative of Solomon Northup, a Citizen of New-York, Kidnapped in Washington City in 1841, and Rescued in 1853", Auburn, N.Y.: Derby and Miller, 1853, at "Documenting the American South," University of North Carolina.