McKellar, Kenneth. Isham Green Harris," in Tennessee Senators as seen by one of their Successors. Kingsport, Tenn.: Southern Publishers, Inc., 1942, 386-404.
U.S. Congress. Memorial Addresses on the Life and Character of Isham G. Harris (Late a Senator from Tennessee). 55th Cong., 2d sess., 1897-1898. Washington: Government Printing Office, 1898.
Watters, George Wayne. Isham Green Harris, Civil War Governor and Senator from Tennessee, 1818-1897. Ph.D. dissertation, Florida State University, 1977.