Major works
• Kentucky: Decades of Discord, 1865-1900. (1977). • Genealogies of Kentucky Families, from the Register of the Kentucky Historical Society. Volume O – Y. (1981) • The Breckinridges of Kentucky, 1760-1981. (1986) • History Mysteries: The Cases of James Harrod, Tecumseh, “Honest Dick” Tate, and William Goebel (1989). • Appalachian Ghost Stories: Tales from Bloody Breathitt. Klotter wrote the foreword. (2012) • In Defense of Clio (2016) • Henry Clay: The Man Who Would Be President (2018) ==References==