Wilson, Douglas L., ed; Davis, Rodney O., ed. 'Register of Informants' in 'Herndon's Informants: Letters, Interviews, and Statements About Abraham Lincoln' . Urbana: University of Illinois Press, 1998. [format: book], [genre: history]. Permission: University of Illinois Press
Persistent link to this document: http://lincoln.lib.niu.edu/file.php?file=herndon737.html

Porter was Champaign County circuit clerk from 1876 to 1888 and again from 1896 to 1912. (Champaign News Gazette, June 4, 1921; History of Champaign County [Philadelphia, 1878])