Arrowhead Rider (1956)
The Long War Trail (1957)
The Farthest Frontier (1957)
Rogue River Cowboy (1958)
The Massacre At Mountain Meadows (1958)
Conquest of the great Northwest (1959)
Northwest Conquest (1959)
Range War (1959)
Man Behind the Gun (1960)
Apache Trail (1960)
Trail of the Freighters (1960)
Quick shooter Beuhler (1960)
Wyoming Trail (1960)
The Man from Wells Fargo (1961)
This Time Tomorrow (1963)
Outpost (1963)
The Sheepmen (1963)
Viet-nam (1965)
Texas Ben Thompson (1966)
Death of a Doctor (1969) (writing as John Armour)
Love of a Banker (1969) (writing as John Armour)
Run with the Killer (1969) (writing as John Armour)
Gaggle of Ghosts (1971)
The Hierarchy of Hell (1972)
Witches in Fact and Fantasy (1972)
A Killer's Category (1973) (writing as John Armour)
Witchcraft and the Mysteries (1974)
Murder in Hawthorn (1975) (writing as John Armour)
The Assassins (1975)
The Assassins' World (1975)
The Terrorists (1975)
Saturday Night Massacre (1976) (writing as John Armour)
The Man from Tucson (1978)
Double Jeopardy (1978)
Frontier Doctor (1979)
Dakota Deathtrap (1979)
The Hammerhead (1981)
D-Day (1981)
Punchbowl Range (1981)
Scarface (1981)
Longlance Plain (1981) (writing as John Armour)
Bannon's Law (1982)
Adobe Wells (1982)
Lord of Lost Valley (1982)
Thunder Valley (1982)
Carter Valley (1982) (writing as John Armour)
Paloverde (1983) (writing as John Armour)
The Trail Drive (1983)
The Witness Tree (1983) (writing as John Armour)
South Desert Trail (1983)
High Ridge Range (1983)
The Copperdust Hills (1983) (writing as Robert Clarke)
America and the Americans (1984)
The War Wagon (1984)
The Bordermen (1984)
Tanner (1984)
Zuni Country (1984)
The Marshal (1985)
The Homesteaders (1986) (writing as Robert Clarke)
Skye (1986)
The Horseman (1986)
New Mexico Heritage (1987)
The Peralta Country (1987) (writing as Robert Clarke)
Medicine Bow (1987)
Spirit Meadow (1987)
Blue Basin Country (1987)
Trail of the Hawks (1987)
Custer Meadow (1988)
Nightrider's Moon (1988)
The Arrowhead Cattle Company (1988) (writing as Robert Clarke)
The Guns of Summer (1988)
The Sheridan Stage (1989)
Taurus Gun (1989)
The Man from Secret Valley (1989)
The Catch Colt (1989)
The Law Behind the Gun (1989)
The Young Marauders (1990)
The Open Range Men (1990)
The Bandoleros (1990)
The Sun Devils (1990) (writing as John Armour)
Arizona Panhandle (1991)
Riders of the Trojan Horse (1991)
The Squaw Men (1992)
The Cloverleaf Cattle Company (1992)
Adobe Empire (1993)
The Fifth Horseman (1994)
Kiowa-Apache (1994)
Vengeance Trail (1994)
Greed at Gold River (1994)
The Gunman's Legacy (1994)
Moon Prairie (1994)
The Prairieton Raid (1994)
The Past Won't End (1995)
Trail to Trouble (1995)
The Devil on Horseback (1995)
The Renegade (1995)
Return of the Hunted (1995)
The Manhunter (1995)
Tears of the Heart (1995)
Timberline (1995)
The Apache Kid (1996)
Trail of the Sioux (1996)
Lockwood (1996)
The Triangle Murder (1996)
The Californios (1996)
The Rawhiders (1996)
Valor in the Land (1997)
The Misplaced Psyche (1997)
The White Bird (1997)
Wilderness Road (1997)
Buckskin Buccaneer (1998)
Cache Canon (1998)
Murder Now, Pay Later (1998)
The Man from Coyanosa (1998)
Six-Gun Atonement (1998)
The Grand Ones of San Ildefonso (1998)
Guns of the Law (1999)
Murder Without Motive (1999)
Bags and Saddles (1999)
The Outcast (1999)
The Killer Gun (1999)
Death of a Millionaire (2000)
Murder in Paradise (2000)
Death Was the Echo (2000)
Man from Butte City (2000)
The Mustangers (2000)
Buckeye (2001)
The Long Years (2001)
The Dark Trail (2001)
Thunderbird Range (2001)
Cactus Country (2001)
Dead Man's Range (2001)
The Tombstone Range (2001)
The Running Iron (2001)
Ambush Canyon (2001)
The Unforgiven (2001)
The Scattergun Men (2002)
Trail Without End (2002)
The Bald Hills (2002)
High Desert Guns (2002)
All Men Are Strangers (2002)
The Border Country (2002)
Carleton's Meadow (2002)
Winchester Pass (2002)
Sheriff of Cow County (2002)
The Green Hills (2002)
Thieves' Trail (2002)
Murder in Paradise (2002) (writing as Richard Dana)
Montana Trail (2003)
Border Town (2003)
Thunder Pass (2003)
The Free-graze War (2003)
The Oxbow Range (2003)
Tumbleweed Trail (2003)
Brothers of Vengeance (2003)
Gathering Storm (2003)
Open Range (2003)
Arizona Ambush (2003)
Guns in the Desert (2003)
The Time of the Texan (2003)
The Ghost Rider (2004)
Law Along the Border (2004)
Lynch Law (2004)
The Guns of El Paso (2004)
Rain Valley (2004)
Cain's Trail (2004)
Outlaw Town (2004)
Pinon Range (2004)
The Gunsight Affair (2004)
The Man from Copy County (2004)
Sixshooter Trail (2004)
Night of the Comancheros (2004)
The Saddlegun Man (2004)
Circle H Range (2005)
The Forsythe Stage (2005)
Avenger's Trail (2005)
The Hunter of Faro Canyon (2005)
Holding the Ace Card (2005)
Land of Barbed Boundaries (2005)
The Born Survivor (2005)
Western Vengeance (2005)
Texas Revenge (2005)
Bounty Hunters' Range (2005)
Buffalo Township (2005)
Guns in Oregon (2005)
The San Luis Range (2005)
Squatter's Rights (2006)
Gunman (2006)
Killian's Canyon (2006)
The Law Trail (2006)
Feud On the Mesa (2006)
Guns of Arizona (2006)
Ride to Battle Mountain (2007)
Utah Summer (2007)
Halfmoon Ranch (2007)
Cottonwood (2007)
Desert Journey (2007)
Saddle Mountain (2007)
Man from Durango (2007)
Return of the Fast Gun (2007)
Morgan Valley (2008)
Gunhill (2008)