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 3005 - Signals and Signs
- 12 more...
- ItemJMF04-02413.0 - Northern Pacific dispatchers office at Tacoma, Washington, in 1966.
- ItemJMF04-02414.0 - Northern Pacific dispatchers office at Tacoma, Washington, in 1966.
- ItemJMF04-02415.0 - Northern Pacific dispatchers office at Tacoma, Washington, circa 1962.
- ItemJMF04-02416.0 - Northern Pacific dispatchers office at Tacoma, Washington, circa 1962.
- ItemJMF04-02417.0 - Northern Pacific dispatchers office at Tacoma, Washington, in 1966.
- ItemJMF04-02418.0 - Northern Pacific dispatchers office at Tacoma, Washington, in 1966.
- ItemJMF04-02419.0 - Northern Pacific dispatchers office at Tacoma, Washington, in 1966.
- ItemJMF04-02420.0 - Northern Pacific dispatchers office at Tacoma, Washington, in 1966.
- ItemJMF04-02421.0 - Northern Pacific dispatchers office at Tacoma, Washington, in 1966.
- 50 more...