An essay on the slave trade

A dissuasion to Great-Britain and the colonies, from the slave trade to Africa

A voyage to Guinea, Brasil and the West Indies

Examination of the Rev. Mr. Harris's scriptural researches on the licitness of the slave trade

Some Historical Account of Guinea, Its Situation, Produce, and the General Disposition of Its Inhabitants An Inquiry into the Rise and Progress of the Slave Trade, Its Nature and Lamentable Effects