| Title | Author |
|---|---|
| Elk Mountain Hotel | |
| Elk Mountain Hotel | Lori Van Pelt |
| Elk Mountain Museum | |
| Ellis, Frank “Pinky” on the sheep business, small-town politics and family life | Casper College Western History Center |
| Emerson, Frank | Wyoming State Archives |
| Emigrant Gap | |
| Emigrant Gap, Oregon Trail site of | WyoHistory.org |
| Emigrant Hill, Oregon Trail site | Randy Brown |
| Emigrant Spring, Oregon Trail Slate Creek Cutoff site | Randy Brown |
| Empire, Wyoming, African-American community of | Robert Galbreath |