- The Tall, Dark Man (1929)
- Neither Black Nor White (1930)
- The Seven Who Fled (1931)
- The Enchanted Rainbow (1933)
- Prairie Schooner Caravan (1935)
- Green Horizon (1937)
- The Proud Man (1941)
- Keeper of the Hills (1948)
- The Edge of Doom (1951)
- Return of the Vines (1955)
Nonfiction:
- Mountain Rhythms (1928)
- The Tennessee River: A Study in River Development (1938)
- The French Broad-Holston Country: A History of Knox County, Tennessee (1945)
- The Mississippi Valley and the Civil War (1950)
- The Broadhorn Men: A Chronicle of the Flatboat Era on the Mississippi River (1952)
- Neither Black nor White: Slavery and Race Relations in Brazil and the United States (1955)
- The Battle of New Market: A Story of 1864 (1956)
- Andrew Johnson: A Biography (1960)
- Adventures of a Ballad Hunter (1967)
- Black Creek Swamp (1975)
- The Proud Land: A Guide to the Southern Appalachians (1977)
Children's Books:
- The Enchanted Rainbow (1933)
- Prairie Schooner Caravan (1935)
- Green Horizon (1937)