An appeal for the Union [electronic resource] : letter from the Hon. Robert J. Walker, New York, Tuesday, Sept. 30, 1856. [To] Hon. Charles Shaler and others, Democratic Committee, Pittsburgh, Pennsylvania
Electronic reproduction. Philadelphia, Pa.: NewsBank, inc., 2014. Available via the World Wide Web. Access restricted to Readex Afro-Americana Imprints, 1535-1922: From the Library Company of Philadelphia subscribers.