Sojarr of Titan. New York: Crestwood Publishing Co., 1941.
A Double Life. Novelization by Wellman of screenplay by Ruth Gordon and Garson Kanin. Chicago: Century Publications, 1947.
Find My Killer. New York: Farrar, Straus and Co., 1947.
The Sleuth Patrol. New York: Thomas Nelson, 1947.
The Mystery of Lost Valley. New York: Thomas Nelson, 1948.
Giant in Gray: A Biography of Wade Hampton of South Carolina. New York: Charles Scribner’s Sons, 1949.
The Beasts from Beyond. Manchester, England: World Distributors, 1950.
The Raiders of Beaver Lake. New York: Thomas Nelson, 1950.
The Haunts of Drowning Creek. New York: Holiday House, 1951.
Wild Dogs of Drowning Creek. New York: Holiday House, 1952.
The Last Mammoth. New York: Holiday House, 1953.
Dead and Gone: Classic Crimes of North Carolina. Chapel Hill: University of North Carolina Press, 1954.
Gray Riders: Jeb Stuart and His Men. New York: Aladdin Books, 1954.
Rebel Mail Runner. New York: Holiday House, 1954.
Flags on the Levee. New York: Ives Washburn, 1955.
Fort Sun Dance. New York: Dell Publishing Co., 1955.
Rebel Boast: First at Bethel, Last at Apppomattox. New York: Henry Holt, 1956.
To Unknown Lands. New York: Holiday House, 1956.
Young Squire Morgan. New York: Ives Washburn, 1956.
Fastest on the River: The Great Race Between the Natchez and the Robert E. Lee. New York: Holt, 1957.
Lights over Skelton Ridge. New York: Ives Washburn, 1957.
The Master of Scare Hollow. New York: Ives Washburn, 1957.
Twice in Time. New York: Avalon Books, 1957.
The Ghost Battalion: A Story of the Iron Scouts. New York: Ives Washburn, 1958.
The Life and Times of Sir Archie. With Elizabeth A. C. Blanchard. Chapel Hill: University of North Carolina Press, 1958.
The County of Warren, 1586-1917. Chapel Hill: University of North Carolina Press, 1959.
The Dary Destroyers. New York: Avalon Books, 1959.
Giants from Eternity. New York: Thomas Bouregy and Co., 1959.
The Rebel Songster: Songs the Confederates Sang. Charlotte, N.C.: Heritage House, 1959.
Ride, Rebels!: Adventures of the Iron Scouts. New York: Ives Washburn, 1959.
They Took Their Stand: The Founders of the Confederacy. New York: Putnam, 1959.
Appomattox Road: Final Adventures of the Iron Scouts. New York: Washburn, 1960.
Candle of the Wicked. New York: Putnam, 1960.
Harpers Ferry, Prize of War. Charlotte: McNally, 1960.
Third String Center. New York: Ives Washburn, 1960.
The County of Gaston. With Robert F. Cope. Charlotte: Gaston County Historical Society, 1961.
Island in the Sky. New York: Avalon Books, 1961.
Rifles at Ramsour’s Mill: A Tale of the Revolutionary War. New York: Ives Washburn, 1961.
Battle for King’s Mountain. New York: Washburn, 1962.
Clash on the Catawba. New York: Ives Washburn, 1962.
The County of Moore, 1947-1947. Southern Pines, N.C.: Moore County Historical Society, 1962.
Not at These Hands. New York: Putnam, 1962.
The River Pirates. New York: Ives Washburn, 1963.
Settlement on Shocco: Adventures in Colonial Carolina. Winston-Salem: John F. Blair, 1963.
The South Fork Rangers. New York: Ives Washburn, 1963.
Who Fears the Devil? Sauk City, Wisconsin: Arkham House, 1963.
Mystery at Bear Paw Gap. New York: Ives Washburn, 1964.
Battle at Bear Paw Gap. New York: Washburn, 1966.
The Founders. Winston-Salem: Historic Winston, 1966.
The Specter of Bear Paw Creek. New York: Ives Washburn, 1966.
Jamestown Adventure. New York: Ives Washburn, 1967.
Brave Horse: The Story of Janus. Williamsburg, Va.: Colonial Williamsburg, 1968.
Carolina Pirate. New York: Ives Washburn, 1968.
Frontier Reporter. New York: Ives Washburn, 1969.
Mountain Feud. New York: Ives Washburn, 1969.
Napoleon of the West: A Story of the Aaron Burr Conspiracy. New York: Ives Washburn, 1970.
Fast Break Five. New York: Ives Washburn, 1971.
The Kingdom of Madness: A Southern Mountain Fastness and Its People. Chapel Hill: University of North Carolina Press, 1973.
Worse Things Waiting. Chapel Hill: Carcosa, 1973.
The Story of Moore County. Southern Pines, N.C.: Moore County Historical Association, 1974.
Sherlock Holmes’ War of the Worlds. With Wade Wellman. New York: Warner Books, 1975.
A City’s Culture: Painting, Music, Literature. Winston-Salem: Historic Winston, 1976.
Winston-Salem in History Series. Booklets on Education, Industry and Commerce, 1766-1896, Transportation and Communication, The War Record. Winston-Salem: Historic Winston, 1976.
The Beyonders. New York: Warner Books, 1977.
The Old Gods Waken. Garden City, N.J.: Doubleday, 1979.
After Dark. Garden City, N.Y.: Doubleday, 1980.
Lonely Vigils. Chapel Hill: Carcosa, 1981.
The Lost and Lurking. Garden City, N.Y.: Doubleday, 1981.
The Hanging Stones. Garden City, N.Y.: Doubleday, 1982.
What Dreams May Come. Garden City, N.Y.: Doubleday, 1983.
The School of Darkness. Garden City, N.Y.: Doubleday, 1985.
Cahena. Garden City, N.Y.: Doubleday, 1986.
The Valley So Low: Southern Mountain Stories. Edited by Karl E. Wagner. New York: Doubleday, 1987.
John the Balladeer. Edited by Karl E. Wagner. New York: Baen, 1988.
Romance in Black. Written under pseudonym Gans T. Field. London: Utopian Publications, n.d.