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 3006 - Cabooses (Railroads)
- 7 more...
- ItemJMF08-05450.0 - Northern Pacific Railroad Caboose, Number 1000 at Forsyth, Montana in July, 1935.
- ItemJMF08-05451.0 - Northern Pacific Railroad Wood Caboose Number 1151, circa 1910.
- ItemJMF08-05451.1 - Northern Pacific Railroad Wood Caboose Number 1151, circa 1910.
- ItemJMF08-05452.0 - Northern Pacific Railroad Caboose, Number 1214 at Tacoma, Washington in July, 1967.
- ItemJMF08-05453.1 - Northern Pacific Railroad Caboose Number 1240, circa 1914.
- ItemJMF08-05454.0 - Northern Pacific Railroad Caboose, Number 1256 at Tacoma, Washington in October, 1935.
- ItemJMF08-05455.0 - Northern Pacific Railroad Caboose, Number 1349 at Pullman, Washington in February, 1967.
- ItemJMF08-05456.0 - Northern Pacific Railroad Caboose, Number 1481 at South Prairie, Washington, circa 1895.
- ItemJMF08-05457.0 - Northern Pacific Railroad Caboose, Number 1651 at Tacoma, Washington, circa 1935.
- 6 more...