Railroad Archives Online
- FondsD0011 - James M. Fredrickson Collection
- Cyfres008 - Union Pacific Railroad Company
- Is-gyfres014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 001 - Steam Locomotives
- 16 mwy...
- EitemJMF13-05723.0 - Union Pacific Railroad steam locomotive number 4004 on display at Cheyenne, Wyoming in 1986.
- EitemJMF13-05724.0 - Union Pacific Railroad steam locomotive number 4004 on display at Cheyenne, Wyoming in 1986.
- EitemJMF13-05724.1 - Union Pacific Railroad steam locomotive number 4019, circa 1950.
- EitemJMF13-05724.2 - Union Pacific Railroad steam locomotive number 4024, circa 1950.
- EitemJMF13-05725.0 - Union Pacific Railroad steam locomotive number 7014 at Tacoma, Washington, undated.
- EitemJMF13-05726.0 - Union Pacific Railroad steam locomotive number 7861 at Union Station in Tacoma, Washington in 1935.
- EitemJMF13-05727.0 - Union Pacific Railroad steam locomotive number 7861 at Tacoma, Washington in 1936.
- EitemJMF13-05728.0 - Union Pacific Railroad steam locomotive number 7861 at Tacoma, Washington in 1935.
- EitemJMF13-05729.0 - Union Pacific Railroad steam locomotive number 7864 at Tacoma, Washington in 1935.
- 6 mwy...