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
- 1315 more...
- 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.
- ItemJMF00-00684.1 - Northern Pacific steam locomotive 1531 at Mandan, North Dakota, in 1934.
- ItemJMF00-00685.0 - Northern Pacific steam locomotive 1533 at Pasco, Washington, in 1953.
- ItemJMF00-00686.0 - Northern Pacific steam locomotive 1533 at Pasco, Washington, in 1953.
- ItemJMF00-00687.0 - Northern Pacific steam locomotive 1533 at Pasco, Washington, in 1953.
- ItemJMF00-00688.0 - Northern Pacific steam locomotive 1536 at Missoula, Montana, in 1953.
- 1321 more...