Benezet, A. (1760). Observations on the inslaving, importing, and purchasing of Negroes: With some advice thereon, extracted from the epistle of the Yearly-Meeting of the people called Quakers held at London in the year 1748 (2nd ed.). Germantown: Printed by Christopher Sower.

Benezet, Anthony. Observations On the Inslaving, Importing, and Purchasing of Negroes: With Some Advice Thereon, Extracted From the Epistle of the Yearly-Meeting of the People Called Quakers Held At London in the Year 1748. 2nd ed. Germantown: Printed by Christopher Sower, 1760.

Benezet, Anthony. Observations On the Inslaving, Importing, and Purchasing of Negroes: With Some Advice Thereon, Extracted From the Epistle of the Yearly-Meeting of the People Called Quakers Held At London in the Year 1748. 2nd ed. Germantown: Printed by Christopher Sower, 1760.