The Gospel of Slavery: A Primer of Freedom

The Great Conspiracy, Volume 3

Slavery: letters and speeches

The Slavery Question

Charles Sumner: his complete works, volume 10 (of 20)

American slavery, and the means of its abolition

Walker's Appeal, with a Brief Sketch of His Life And Also Garnet's Address to the Slaves of the United States of America

The Lu Lu Alphabet

The Anti-Slavery Harp: A Collection of Songs for Anti-Slavery Meetings

Charles Sumner: his complete works, volume 05 (of 20)

Charles Sumner: his complete works, volume 04 (of 20)

Slavery and four years of war