Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 92 more...
- ItemWWAGD-52-084 - Great Northern Diesel Locomotive 203 at Spokane, Washington, undated
- ItemWWAGD-52-085 - Great Northern Diesel Locomotive 207, undated
- ItemWWAGD-52-087 - Great Northern Diesel Locomotive 207 at Minneapolis, Minnesota, 1968
- ItemWWAGD-52-088 - Great Northern Diesel Locomotive 209, 1968
- ItemWWAGD-52-089 - Great Northern Diesel Locomotive 210, undated
- ItemWWAGD-52-090 - Great Northern Diesel Locomotive 210, undated
- ItemWWAGD-52-091 - Great Northern Diesel Locomotive 211, undated
- ItemWWAGD-52-093 - Great Northern Diesel Locomotive 218, undated
- ItemWWAGD-52-094 - Great Northern Diesel Locomotive 220, undated
- 316 more...