- Smoke from This Altar — 1939
- Westward the Tide — 1950
- Hondo — 1953
- Hondo (true-first vs. paperback-original confusion) — 1953
- Hondo signed first — 1953
- Showdown at Yellow Butte (as Jim Mayo) — 1953
- Crossfire Trail — 1954
- Kilkenny — 1954
- Utah Blaine (as Jim Mayo) — 1954
- Guns of the Timberlands — 1955
- Heller with a Gun — 1955
- To Tame a Land — 1955
- Silver Canyon — 1956
- The Burning Hills — 1956
- Last Stand at Papago Wells — 1957
- Sitka — 1957
- The Tall Stranger — 1957
- Radigan — 1958
- Taggart — 1959
- The First Fast Draw — 1959
- Flint — 1960
- The Daybreakers — 1960
- Sackett — 1961
- High Lonesome — 1962
- Killoe — 1962
- Shalako — 1962
- Catlow — 1963
- How the West Was Won — 1963
- Hanging Woman Creek — 1964
- Mojave Crossing — 1964
- The High Graders — 1965
- The Key-Lock Man — 1965
- The Sackett Brand — 1965
- Kid Rodelo — 1966
- Kilrone — 1966
- The Broken Gun — 1966
- Matagorda — 1967
- The Sky-Liners — 1967
- Chancy — 1968
- Down the Long Hills — 1968
- Conagher — 1969
- The Empty Land — 1969
- The Lonely Men — 1969
- Galloway — 1970
- North to the Rails — 1971
- Tucker — 1971
- Callaghen — 1972
- Ride the Dark Trail — 1972
- The Ferguson Rifle — 1973
- The Man from Skibbereen — 1973
- Sackett's Land — 1974
- Over on the Dry Side — 1975
- Rivers West — 1975
- The Man from the Broken Hills — 1975
- The Rider of Lost Creek — 1976
- To the Far Blue Mountains — 1976
- Where the Long Grass Blows — 1976
- Borden Chantry — 1977
- Fair Blows the Wind — 1978
- The Mountain Valley War — 1978
- Bendigo Shafter — 1979
- The Iron Marshal — 1979
- The Proving Trail — 1979
- Lonely on the Mountain — 1980
- Comstock Lode — 1981
- Milo Talon — 1981
- The Cherokee Trail — 1982
- The Shadow Riders — 1982
- The Lonesome Gods — 1983
- Son of a Wanted Man — 1984
- The Walking Drum — 1984
- Passin' Through — 1985
- Last of the Breed — 1986
- The Sackett Companion — 1988
- Education of a Wandering Man — 1989
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