A COLLECTION OF DEVOTIONAL TRACTS . . . [including] OBSERVATIONS ON THE INSLAVING [sic], IMPORTING AND PURCHASING OF NEGROES.
Philadelphia and Germantown: B[enjamin]. Franklin and D[avid]. Hall or Christopher Sower, 1759-60.
Philadelphia and Germantown: B[enjamin]. Franklin and D[avid]. Hall or Christopher Sower, 1759-60.
Philadelphia: Re-printed by B[enjamin]. Franklin and D[avid]. Hall, 1760.