Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam Locomotives
- 233 more...
- ItemWWANT270 - Northern Pacific steam locomotive number 2263 at Ostrander, Washington, circa 1940.
- ItemWWANT271 - Northern Pacific steam locomotive number 2264 at Seattle, Washington, circa 1940.
- ItemWWANT272 - Northern Pacific steam locomotive number 2264 at Seattle, Washington, circa 1940.
- ItemWWANT273 - Northern Pacific steam locomotive number 2264 at Argo, Washington, circa 1940.
- ItemWWANT275 - Northern Pacific steam locomotive number 2265 at Argo, Washington, circa 1935.
- ItemWWANT276 - Northern Pacific steam locomotive number 2265 at Argo, Washington, circa 1935.
- ItemWWANT277 - Northern Pacific steam locomotive number 2265 at Argo, Washington, 8904.
- ItemWWANT278 - Northern Pacific steam locomotive number 2265 at Seattle, Washington, 1925.
- ItemWWANT279 - Northern Pacific steam locomotive number 2265 at Seattle, Washington, 1925.
- 25 more...