Railroad Archives Online
- FondosD0011 - James M. Fredrickson Collection
- Series002 - Chicago, Milwaukee, St. Paul, and Pacific Railroad Company
- Sub-series014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 006 - Cabooses (Railroads)
- ItemJMF12-06100.0 - Chicago, Milwaukee, St. Paul & Pacific Railroad Company bay-window caboose number 02080 at Tacoma, Washington, undated.