Papenfuse, E. R. (1997). The evils of necessity: Robert Goodloe Harper and the moral dilemma of slavery. Philadelphia: American Philosophical Society.
Chicago Style CitationPapenfuse, Eric Robert. The Evils of Necessity: Robert Goodloe Harper and the Moral Dilemma of Slavery. Philadelphia: American Philosophical Society, 1997.
MLA CitationPapenfuse, Eric Robert. The Evils of Necessity: Robert Goodloe Harper and the Moral Dilemma of Slavery. Philadelphia: American Philosophical Society, 1997.
Warning: These citations may not always be 100% accurate.