Railroad Archives Online
- CollectionE0437 - Jim Parker Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 18 more...
- Item35069 - Great Northern Diesel Locomotive Number 551, Minot,North Dakota, 1968
- Item35070 - Great Northern Diesel Locomotive Number 568, Spokane, Washington, 1969
- Item35071 - Great Northern Diesel Locomotive Number 578, Spokane, Washington, 1969
- Item35072 - Great Northern Diesel Locomotive Number 578, Wenatchee, Washington, 1969
- Item35073 - Great Northern Diesel Locomotive Number 604, undated
- Item35074 - Great Northern Diesel Locomotive Number 595, Saint Cloud, Minnesota, 1961
- Item35075 - Great Northern Diesel Locomotive Number 611, Spokane, Washington, 1967
- Item48219 - Great Northern Diesel Locomotive Number 314-A, Minneapolis, Minnesota, 1969