* Across the Wide and Lonesome Prairie:The Oregon Trail Remembered (1992)
* The OregonTrail (1993)
* California's Gold:The Letters and Journals of Richard Barnes Hasson, 1849-1855 (1995)
* Deadwood:The Golden Years (1996)
* The Wild Bunch (1998)
* Butch Cassidy and the Sundance Kid (2000)
* The Lone Ranger (2002)
* The Life and Legend of Wyatt Earp (2004)
* Doc Holliday:The Life and Legend of John Henry Holliday (2007)
* Jesse James:The Man and the Myth (2009)
* Billy the Kid:The True Life of Billy the Kid (2011)
* Geronimo:The Man, His Time, His Place (2013)
* Crazy Horse:The Life of Oglala Lakota Warrior (2015)
* Custer's Last Stand:The True Story of the Battle of the Little Bighorn (2017)
* The Apache Wars:The True Story of the Apache-American Wars (2019)
Artikler og essays:
* "The Oregon Trail:A History" (Montana:The Magazine of Western History, 1992)
* "California's Gold:The Letters and Journals of Richard Barnes Hasson, 1849-1855" (California History, 1995)
* "Deadwood:The Golden Years" (South Dakota History, 1996)
* "The Wild Bunch:A History" (Wild West, 1998)
* "Butch Cassidy and the Sundance Kid:The True Story" (True West, 2000)
* "The Lone Ranger:A History" (The Western Historical Quarterly, 2002)
* "The Life and Legend of Wyatt Earp" (The Journal of Arizona History, 2004)
* "Doc Holliday:The Life and Legend of John Henry Holliday" (The Journal of the West, 2007)
* "Jesse James:The Man and the Myth" (Missouri Historical Review, 2009)
* "Billy the Kid:The True Life of Billy the Kid" (New Mexico Historical Review, 2011)
* "Geronimo:Manden, hans tid, hans sted" (Arizona og Vesten, 2013)
* "Crazy Horse:The Life of Oglala Lakota Warrior" (Nebraska History, 2015)
* "Custer's Last Stand:The True Story of the Battle of the Little Bighorn" (Montana:The Magazine of Western History, 2017)
* "The Apache Wars:The True Story of the Apache-American Wars" (New Mexico Historical Review, 2019)