Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2003 - Railroad Buildings and Structures
- Subseries Level 3003 - Maintenance Facilities
- 11 more...
- ItemJMF04-02972.0 - Northern Pacific shops at South Tacoma Washington, circa 1935.
- ItemJMF04-02973.0 - Northern Pacific shops at South Tacoma Washington, circa 1938.
- ItemJMF04-02974.0 - Northern Pacific shops at South Tacoma Washington, circa 1935.
- ItemJMF04-02974.1 - Northern Pacific shops at South Tacoma, Washington, circa 1942.
- ItemJMF04-02974.2 - Northern Pacific shops at South Tacoma, Washington, circa 1942.