Thoughts on the Necessity of Improving the Condition of the Slaves in the British Colonies / With a View to Their Ultimate Emancipation; and on the Practicability, the Safety, and the Advantages of the Latter Measure

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

The History of the Rise, Progress and Accomplishment of the Abolition of the African Slave Trade by the British Parliament (1808), Volume I

The History of the Rise, Progress and Accomplishment of the Abolition of the African Slave Trade by the British Parliament (1808) / Volume II

An Essay on the Slavery and Commerce of the Human Species, Particularly the African / Translated from a Latin Dissertation, Which Was Honoured with the First Prize in the University of Cambridge, for the Year 1785, with Additions

A Portraiture of Quakerism, Volume 2