Railroad Archives Online
| Places term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Persia (Iowa) | 0 | 0 | |
| Pershing (Mont.) | 7 | 0 | |
| Perry's (Minn.) | 1 | 0 | |
| Perry Wyman Mine (Minn.) | 1 | 0 | |
| Perry (Wash.) | 0 | 0 | |
| Perry Mine (Minn.) | 3 | 0 | |
| Perry (Iowa) | 0 | 0 | |
| Perrith (Wash.) | 1 | 0 | |
| Perma (Wash.) | 16 | 0 | |
| Perma (Mont.) | 33 | 0 |