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
- 1716 more...
- ItemJMF00-00998.0 - Northern Pacific steam locomotive 1801 at Tacoma, Washington, in 1938.
- ItemJMF00-00999.0 - Northern Pacific steam locomotive 1802 at Tacoma, Washington, in 1942.
- ItemJMF00-01000.0 - Northern Pacific steam locomotive 1802 at Tacoma, Washington, in 1937.
- ItemJMF00-01000.1 - Northern Pacific steam locomotive 1802 at Tacoma, Washington, circa 1953.
- ItemJMF00-01001.0 - Northern Pacific steam locomotive 1802 at Tacoma, Washington, in 1938.
- ItemJMF00-01002.0 - Northern Pacific steam locomotive 1802 at Tacoma, Washington, in 1935.
- ItemJMF00-01003.0 - Northern Pacific steam locomotive 1802 at Tacoma, Washington, in 1934.
- ItemJMF00-01004.0 - Northern Pacific steam locomotive 1803 at Mandan, North Dakota, in 1950.
- ItemJMF00-01005.0 - Northern Pacific steam locomotive 1804 at Easton, Washington, in 1943.
- 920 more...