Benezet, A., & Warburton, W. (1767). A caution and warning to Great-Britain, and her colonies, in a short representation of the calamitous state of the enslaved Negroes in the British dominions: Collected from various authors, and submitted to the serious consideration of all, more especially of those in power : to which is added, an extract of a sermon, preached by the Bishop of Gloucester, before the Society for the Propagation of the Gospel. Philadelphia: Printed by D. Hall, and W. Sellers, at the New print. office, in Market-street.

Benezet, Anthony, and William Warburton. A Caution and Warning to Great-Britain, and Her Colonies, in a Short Representation of the Calamitous State of the Enslaved Negroes in the British Dominions: Collected From Various Authors, and Submitted to the Serious Consideration of All, More Especially of Those in Power : To Which Is Added, an Extract of a Sermon, Preached By the Bishop of Gloucester, Before the Society for the Propagation of the Gospel. Philadelphia: Printed by D. Hall, and W. Sellers, at the New print. office, in Market-street, 1767.

Benezet, Anthony, and William Warburton. A Caution and Warning to Great-Britain, and Her Colonies, in a Short Representation of the Calamitous State of the Enslaved Negroes in the British Dominions: Collected From Various Authors, and Submitted to the Serious Consideration of All, More Especially of Those in Power : To Which Is Added, an Extract of a Sermon, Preached By the Bishop of Gloucester, Before the Society for the Propagation of the Gospel. Philadelphia: Printed by D. Hall, and W. Sellers, at the New print. office, in Market-street, 1767.