Thoughts on civilization and the gradual abolition of slavery in Africa and the West Indies - Friend to commerce and humanity (Printed for J. Sewell and J. Johnson, 1791)
"Reprinted, first printed in 1789". - Caption title. - Goldsmiths'-Kress no. 14997. - OCLC, 20840775. - Opposes immediate, unqualified emancipation. - Reproduction of original from Goldsmiths' Library, University of London. - Signed: A friend to commerce and humanity. - Some loss of print due to tight binding