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
- 50 more...
- ItemWWANT058 - Northern Pacific steam locomotive 2184 at Allentown, Washington, circa 1940.
- ItemWWANT059 - Northern Pacific steam locomotive 252 at Allentown, Washington, circa 1935.
- ItemWWANT060 - Northern Pacific steam locomotive 2260 at Allentown, Washington, circa 1941.
- ItemWWANT061 - Northern Pacific steam locomotive 2193 at Allentown, Washington, circa 1941.
- ItemWWANT062 - Northern Pacific steam locomotive 2263 at Allentown, Washington, circa 1941.
- ItemWWANT063 - Northern Pacific steam locomotive 2262 at Allentown, Washington, circa 1941.
- ItemWWANT064 - Northern Pacific steam locomotive 2247 at Allentown, Washington, circa 1941.
- ItemWWANT065 - Northern Pacific steam locomotive 2261 at Allentown, Washington, circa 1941.
- ItemWWANT066 - Northern Pacific steam locomotive 2262 at Allentown, Washington, circa 1941.
- 208 more...