An Essay on the Slavery and Commerce of the Human Species

Cries of Africa to the Inhabitants of Europe, or, a Survey of That Bloody Commerce Called the Slave-Trade

Essay on the Doctrines and Practice of the Early Christians, As They Relate to War

Memoirs of the Private and Public Life of William Penn; V. 1

Essay on the Slavery and Commerce of the Human Species, Particularly the African

History of the Rise, Progress, and Accomplishment of the Abolition of the African Slave-Trade, by the British Parliament; 1

Thoughts on the Necessity of Improving the Condition of the Slaves in the British Colonies,

Essay on the Impolicy of the African Slave Trade