Railroad Archives Online
- CollectionD0237A - Great Northern Railway Historical Society Cascade Division Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam Locomotives
- 5 more...
- ItemGNRHSCD027 - Great Northern Steam Locomotive 2036 at Skykomish, Washington 1944
- ItemGNRHSCD028 - Great Northern Steam Locomotive 2040 at Interbay, Seattle, Washington, 1940
- ItemGNRHSCD029 - Great Northern Steam Locomotive 2501 with Train 459 at Woodland, Washington, undated
- ItemGNRHSCD038 - Great Northern Steam Locomotive 2521 at Interbay, Seattle, Washington, March 24, 1953
- ItemGNRHSCD327 - Great Northern Steam Locomotive 2054, Interbay, Seattle, Washington, March 24, 1950