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
- 1310 more...
- ItemJMF00-00677.3 - Northern Pacific steam locomotive 1520 at Tacoma, Washington, circa 1946.
- ItemJMF00-00678.0 - Northern Pacific steam locomotive 1521 at South Tacoma, Washington, in 1950.
- ItemJMF00-00679.0 - Northern Pacific steam locomotive 1527 at Auburn, Washington, in 1954.
- ItemJMF00-00680.0 - Northern Pacific steam locomotive 1529 at Tacoma, Washington, in 1953.
- ItemJMF00-00681.0 - Northern Pacific steam locomotive 1529 at Tacoma, Washington, circa 1950.
- ItemJMF00-00682.0 - Northern Pacific steam locomotive 1529 at Tacoma, Washington, in 1955.
- ItemJMF00-00683.0 - Northern Pacific steam locomotive 1529 at Livingston, Montana, in 1954.
- ItemJMF00-00683.1 - Northern Pacific steam locomotive 1529 at Tacoma, Washington, in 1955.
- ItemJMF00-00684.0 - Northern Pacific steam locomotive 1530 at Laurel, Montana, in 1954.
- 1326 more...