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

One of Iowa's premier politicians for more than thirty years, Grimes served in the territorial and state legislatures of Iowa and was its governor from 1854 to 1858. He also served in the U.S. Senate for ten years (1859-69) and was one of the seven Republican senators who voted "not guilty" at the impeachment trial of President Andrew Johnson in 1868. (DAB; BDAC)