Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam locomotives
- 1361 more...
- ItemJMF00-00713.2 - Northern Pacific steam locomotive NP 1566 at South Tacoma, Washington, in 1935.
- ItemJMF00-00714.0 - Northern Pacific steam locomotive 1566 at Portland, Oregon, circa 1928.
- ItemJMF00-00714.1 - Northern Pacific steam locomotive 1566 at South Tacoma, Washington, in 1935.
- ItemJMF00-00715.0 - Northern Pacific steam locomotive 1567 at South Tacoma, Washington, in 1954.
- ItemJMF00-00715.1 - Northern Pacific steam locomotive 1567 at Yakima, Washington, in 1934.
- ItemJMF00-00715.2 - Northern Pacific steam locomotive NP 1567 at Tacoma, Washington, in 1935.
- ItemJMF00-00716.0 - Northern Pacific steam locomotive 1568 at Laurel, Montana, in 1953.
- ItemJMF00-00717.0 - Northern Pacific steam locomotive 1569 at Tacoma, Washington, in 1954.
- ItemJMF00-00718.0 - Northern Pacific steam locomotive 1569 at South Tacoma, Washington, in 1954.
- 1275 more...