Furness, W. H. (1850). An address delivered before a meeting of the members and friends of the Pennsylvania Anti-Slavery Society during the annual fair December 19, 1849. Philadelphia: Merrihew & Thompson, printers.

Furness, William Henry. An Address Delivered Before a Meeting of the Members and Friends of the Pennsylvania Anti-Slavery Society During the Annual Fair December 19, 1849. Philadelphia: Merrihew & Thompson, printers, 1850.

Furness, William Henry. An Address Delivered Before a Meeting of the Members and Friends of the Pennsylvania Anti-Slavery Society During the Annual Fair December 19, 1849. Philadelphia: Merrihew & Thompson, printers, 1850.