Railroad Archives Online
- 宗卷D0011 - James M. Fredrickson Collection
- 系列010 - Other Railroads
- 次系列014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 002 - Diesel Locomotives
- 物件JMF11-09803.0 - American Smelting and Refining Company Diesel Locomotive Number 52 at Tacoma, Washington in October 1969.
- 物件JMF11-09804.0 - American Smelting and Refining Company Diesel Locomotive Number 52 at Tacoma, Washington in October 1969.
- 物件JMF11-09805.0 - American Smelting and Refining Company Diesel Locomotive Number 52 at Tacoma, Washington in October 1969.
- 物件JMF11-09811.0 - Belt Railway of Chicago Diesel Locomotive Number 534 at Chicago, Illinois in July, 1986.
- 物件JMF11-09812.0 - Belt Railway of Chicago Diesel Locomotive Number 534 at Chicago, Illinois in July, 1986.
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