University of New Mexico Press · University of Oklahoma Press
| title | ISBN-13 | year of publication |
|---|---|---|
| Cherokee Tragedy: The Ridge Family and the Decimation of a People | 978-0-8061-2188-8 | 1989 |
| Clarence King: A Biography | 978-0-8263-1085-9 | 1988 |
| John Muir: Apostle of Nature | 978-0-8061-2797-2 | 1996 |
| Thomas Moran: Artist of the Mountains | 978-0-8061-3040-8 | 1998 |