| Title | Author |
|---|---|
| Safety, Wyoming coal mines | Phil Roberts |
| Sagebrush Philosophy magazine | Rebecca Hein |
| Sailors, Kenny | Ryan Thorburn |
| Sailors, Kenny oral history | Wyoming State Archives |
| Saleratus Lake, Oregon Trail site of | WyoHistory.org |
| Saleratus Lakes | |
| Salt Creek Museum | |
| Salt Creek Oil Field | |
| Salt Creek Oil Field | Tom Rea |
| Sarah Thomas grave | Randy Brown |