- British Gentlemen in the Wild West: The Era of the Intensely English Cowboy
- Asa Shinn Mercer: Western Promoter and Newspaperman 1839-1917 (Western Frontiersmen Series, 30)
- A Material Witness
- John Clay, Jr: Commission Man, Banker, and Rancher (Western Frontiersmen Series, 28)
- Horace Plunkett in America: An Irish Aristocrat on the Wyoming Range (Volume 34)