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
- 8 more...
- ItemWWANT010 - Northern Pacific steam locomotive 2602 in Seattle, Washington, circa 1946.
- ItemWWANT011 - Northern Pacific steam locomotive 2248 in Seattle, Washington, circa 1940.
- ItemWWANT012 - Northern Pacific steam locomotive 2249 in Seattle, Washington, circa 1940.
- ItemWWANT013 - Northern Pacific steam locomotive 2608 at Seattle, Washington, circa 1940.
- ItemWWANT014 - Northern Pacific steam locomotive 1507 in Seattle, Washington, circa 1925.
- ItemWWANT015 - Northern Pacific steam locomotive 2265 at Seattle, Washington, circa 1940.
- ItemWWANT016 - Northern Pacific steam locomotive 2238 at Black River, Washington, circa 1940.
- ItemWWANT017 - Northern Pacific steam locomotive 2264 at Seattle, Washington, circa 1940.
- ItemWWANT018 - Northern Pacific steam locomotive 2249 at Black River, Washington, circa 1940.
- 251 more...