Skyhorse · University of Oklahoma Press
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Cowboy: An Unconventional History of Civilization on the Old-Time Cattle Range | 978-0-8061-2936-5 (0-8061-2936-0) | 1997 |
| The Cowboy: His Characteristics, His Equipment, and His Part in the Development of the West | 978-1-60239-081-2 (1-60239-081-9) | 2007 |
A. R. · P. A. · P. Ashton · P R · Philip A. · Philip Ashton · Philip R.