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 3003 - Freight Cars
- ItemJMF12-06028.0 - Chicago, Milwaukee, St. Paul & Pacific Railroad Company freight train at Chehalis, Washington in 1975.
- ItemJMF12-06043.0 - Chicago, Milwaukee, St. Paul & Pacific Railroad Company freight train on the bridge at Pedee, Idaho in 1976.