| Title | Author |
|---|---|
| Muir, John in Yellowstone | John Clayton |
| Mummy Cave | |
| Murals, Casper Army Air Base | Eric Wimmer |
| Murie Center | |
| Murie Family, the: Wilderness Leaders in Wyoming | Emilene Ostlind |
| Murie, Adolph | Emilene Ostlind |
| Murie, Louise | Emilene Ostlind |
| Murie, Mardy | Emilene Ostlind |
| Murie, Olaus | Emilene Ostlind |
| Museum of the American West |