| Title | Author |
|---|---|
| Parting of the Ways | |
| Parting of the Ways | WyoHistory.org |
| Pathfinder Dam | The National Park Service |
| Pathfinder Dam | |
| Paul, Elizabeth, pioneer grave of | Randy Brown |
| Payton, E. T., journalist and mental patient | Rebecca Hein |
| PBS, Wyoming | Doug McInnis |
| Pedro II, emperor of Brazil, crosses Wyoming, 1876 | Phil Roberts |
| Pedro Mountain Mummy, The | Rebecca Hein |
| Penney, J. C. | Doug McInnis |