Benezet, A., & Raynal, a. (1780). Short observations on slavery: Introductory to some extracts from the writing of the Abbe Raynal, on that important subject. [Philadelphia?: s.n..

Benezet, Anthony, and abbé Raynal. Short Observations On Slavery: Introductory to Some Extracts From the Writing of the Abbe Raynal, On That Important Subject. [Philadelphia?: s.n., 1780.

Benezet, Anthony, and abbé Raynal. Short Observations On Slavery: Introductory to Some Extracts From the Writing of the Abbe Raynal, On That Important Subject. [Philadelphia?: s.n., 1780.