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 3004 - Railroad passenger cars
- 141 more...
- ItemJMF05-04024.0 - Northern Pacific Railroad Dome Coach Number 550 at Thorp, Washington in July, 1954.
- ItemJMF05-04024.1 - Northern Pacific Railroad Dome Coach Number 550 at New Stampede, Washington in July, 1954.
- ItemJMF05-04024.2 - Northern Pacific Railroad Dome Coach Number 550 at Tacoma, Washington in July, 1954.
- ItemJMF05-04024.3 - Northern Pacific Railroad Dome Coach Number 550 at Tacoma, Washington in July, 1954.
- ItemJMF05-04025.0 - Northern Pacific Railroad Dome Coach Number 550 at Tacoma, Washington in July, 1954.
- ItemJMF05-04025.1 - Northern Pacific Railroad Dome Coach Number 550 at Tacoma, Washington in July, 1954.
- ItemJMF05-04026.0 - Northern Pacific Railroad Dome Coach Number 550 at Tacoma, Washington in July, 1954.
- ItemJMF05-04026.1 - Interior View of Northern Pacific Railroad Dome Coach Number 550 at Tacoma, Washington in July, 1954.
- ItemJMF05-04026.2 - Interior View of Northern Pacific Railroad Dome Coach Number 550 at Tacoma, Washington in July, 1954.
- 49 more...