Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series008 - Union Pacific Railroad Company
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3001 - Steam Locomotives
- 10 more...
- ItemJMF13-05718.0 - Union Pacific Railroad steam locomotive number 3975 at Tacoma, Washington in 1947.
- ItemJMF13-05719.0 - Union Pacific Railroad steam locomotive number 3975 at Tacoma, Washington in 1947.
- ItemJMF13-05719.1 - Union Pacific Railroad steam locomotive number 3977 at Seattle, Washington, circa 1947.
- ItemJMF13-05720.0 - Union Pacific Railroad steam locomotive number 3981, undated.
- ItemJMF13-05721.0 - Union Pacific Railroad steam locomotive number 4004 on display at Cheyenne, Wyoming in 1986.
- ItemJMF13-05722.0 - Union Pacific Railroad steam locomotive number 4004 on display at Cheyenne, Wyoming in 1986.
- ItemJMF13-05723.0 - Union Pacific Railroad steam locomotive number 4004 on display at Cheyenne, Wyoming in 1986.
- ItemJMF13-05724.0 - Union Pacific Railroad steam locomotive number 4004 on display at Cheyenne, Wyoming in 1986.
- ItemJMF13-05724.1 - Union Pacific Railroad steam locomotive number 4019, circa 1950.
- 12 more...