Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series010 - Other Railroads
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3006 - Cabooses (Railroads)
- 7 more...
- ItemJMF11-10599.0 - Yreka Western Railroad Caboose at Yreka, California in June, 1978.
- ItemJMF11-10600.0 - Yreka Western Railroad Caboose at Yreka, California in June, 1978.
- ItemJMF19-14170.0 - Western Pacific Railroad caboose 658 at Sacramento, California on August 3, 1973.
- ItemJMF19-14274.6 - Chicago, Burlington and Quincy Railroad caboose 13980, circa 1938.
- ItemJMF19-13820.0 - Atchison, Topeka & Santa Fe Railway caboose 999263, circa 1995.
- ItemJMF17-12856.0 - Chicago, Burlington & Quincy caboose 13531 at Covington, Washington in 1970.
- ItemJMF17-12855.0 - Chicago, Burlington & Quincy caboose 13657 at Auburn, Washington in 1970.