Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series002 - Chicago, Milwaukee, St. Paul, and Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3004 - Railroad Passenger Cars
- ItemJMF12-05911.0 - Chicago, Milwaukee, St. Paul & Pacific Railroad Company observation car in 1941.
- ItemJMF12-05913.0 - Chicago, Milwaukee, St. Paul & Pacific Railroad Company observation car in 1941.
- ItemJMF12-05914.0 - Chicago, Milwaukee, St. Paul & Pacific Railroad Company observation car in 1941.
- ItemJMF12-06090.0 - Chicago, Milwaukee, St. Paul & Pacific Railroad Company baggage car number 6969 at Portland, Oregon, undated.
- ItemJMF12-06091.0 - Chicago, Milwaukee, St. Paul & Pacific Railroad Company passenger train, undated.
- 27 more...