x 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
xCollection: 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