Railroad Archives Online
- CollectionD0011 - James M. Fredrickson Collection
- Series010 - Other Railroads
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- ItemJMF11-09803.0 - American Smelting and Refining Company Diesel Locomotive Number 52 at Tacoma, Washington in October 1969.
- ItemJMF11-09804.0 - American Smelting and Refining Company Diesel Locomotive Number 52 at Tacoma, Washington in October 1969.
- ItemJMF11-09805.0 - American Smelting and Refining Company Diesel Locomotive Number 52 at Tacoma, Washington in October 1969.
- ItemJMF11-09811.0 - Belt Railway of Chicago Diesel Locomotive Number 534 at Chicago, Illinois in July, 1986.
- ItemJMF11-09812.0 - Belt Railway of Chicago Diesel Locomotive Number 534 at Chicago, Illinois in July, 1986.
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