Clarkson, T. (1786). 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. London, printed ; Philadelphia: Re-printed by Joseph Crukshank ....

Clarkson, Thomas. 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. London, printed ; Philadelphia: Re-printed by Joseph Crukshank ..., 1786.

Clarkson, Thomas. 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. London, printed ; Philadelphia: Re-printed by Joseph Crukshank ..., 1786.