| Clue | Source | Date |
|---|---|---|
| Zane Grey setting | LA Times Daily | 23 Jun 2024 |
| American frontier | Universal | 14 Nov 2023 |
| Boot Hill setting | Wall Street Journal | 04 Oct 2023 |
| Where Wells Fargo got its start | New York Times | 04 Dec 2022 |
| OK Corral setting | The Washington Post | 04 Jan 2021 |
| OK Corral setting | LA Times Daily | 04 Jan 2021 |
| Usual Zane Grey setting | Newsday | 13 Sep 2018 |
| Cowboy movie setting | New York Times | 08 Jan 2018 |
| Cowboy movie setting | ||
| Horse opera setting | LA Times Daily | 15 Aug 2017 |
| Horse opera setting | The Washington Post | 15 Aug 2017 |
| "Gunsmoke" setting | USA Today | 20 Feb 2017 |
| "Gunsmoke" setting | ||
| Horse opera setting | ||
| Grey area? | LA Times Daily | 20 Mar 2015 |
| Grey area? | ||
| Shoot-em-up setting | ||
| Cowboy movie setting | ||
| Boot Hill setting | ||
| Cowboy's frontier land | ||
| Oater setting | ||
| "Gunsmoke" setting | ||
| Oater setting | ||
| Oater setting | ||
| The Dalton Gang's milieu | ||
| Milieu of the cowboy. |