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
- 1234 more...
- ItemJMF00-00629.0 - Northern Pacific steam locomotive 1373 at Auburn, Washington, in 1949.
- ItemJMF00-00630.0 - Northern Pacific steam locomotive 1373 at Black River, Washington, in 1949.
- ItemJMF00-00631.0 - Northern Pacific steam locomotive 1373 at Auburn, Washington, in 1954.
- ItemJMF00-00631.1 - Northern Pacific steam locomotive 1373, circa 1928.
- ItemJMF00-00631.2 - Northern Pacific steam locomotive 1373 at Tacoma, Washington, in 1933.
- ItemJMF00-00632.0 - Northern Pacific steam locomotive 1375 at South Tacoma, Washington, in 1955.
- ItemJMF00-00633.0 - Northern Pacific steam locomotive 1375 at South Tacoma, Washington, in 1955.
- ItemJMF00-00634.0 - Northern Pacific steam locomotive 1375 at South Tacoma, Washington, in 1955.
- ItemJMF00-00635.0 - Northern Pacific steam locomotive 1376 at Pasco, Washington, in 1953.
- 1402 more...