Railroad Archives Online
- FondD0063 - Walter W. Ainsworth Collection
- Sorozat003 - Great Northern Railway Company (U.S.)
- Alsorozat014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 002 - Diesel Locomotives
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- IratdarabWWAGD-52-003 - Great Northern Diesel Locomotive 5 at La Grange, Illinois, 1968
- IratdarabWWAGD-52-004 - Great Northern Diesel Locomotive , undated
- IratdarabWWAGD-52-008 - Great Northern Diesel Locomotive 9 at La Grange, Illinois, 1968
- IratdarabWWAGD-52-009 - Great Northern Diesel Locomotive 10, undated
- IratdarabWWAGD-52-010 - Great Northern Diesel Locomotive 24 at Duluth, Minnesota, 1969
- IratdarabWWAGD-52-011 - Great Northern Diesel Locomotive 24 at Hammond, Indiana, 1969
- IratdarabWWAGD-52-013 - Great Northern Diesel Locomotive 26 at Hammond, Indiana, 1969
- IratdarabWWAGD-52-014 - Great Northern Diesel Locomotive 26, undated
- IratdarabWWAGD-52-016 - Great Northern Diesel Locomotive 77, undated
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