| Title | Author | Publisher | Year | Collection |
|---|---|---|---|---|
| Yellowstone: the cycle of the seasons [by] George B Robinson and Lynn Wilson. | Robinson, George B. | Sierra Press | c1994] | Books & Theses |
| Yellowtone National Park. | Robinson, George B. | Sierra Press | 1998 | Books & Theses |
| Yellowstone by Jim Wilson, Lynn Wilson & Jeff Nicholas | Wilson, Jim | Sierra Press | c1989 | Books & Theses |