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

A New York banker and outspoken advocate of the Union, Cannon organized pro-Union activities in New York City, including a mass meeting in Union Square. Given an army commission, he served on the staff of Major General John E. Wool at Fortress Monroe, where he met AL. (New York Times, November 4, 1906)