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
- 99 more...
- ItemWWAGD-52-093 - Great Northern Diesel Locomotive 218, undated
- ItemWWAGD-52-094 - Great Northern Diesel Locomotive 220, undated
- ItemWWAGD-52-095 - Great Northern Diesel Locomotive 222 at Vancouver, British Columbia, undated
- ItemWWAGD-52-096 - Great Northern Diesel Locomotive 222 at Seattle, Washington, undated
- ItemWWAGD-52-098 - Great Northern Diesel Locomotive 222 at Seattle, Washington, undated
- ItemWWAGD-52-099 - Great Northern Diesel Locomotive 225 at Portland, Oregon, 1959
- ItemWWAGD-52-100 - Great Northern Diesel Locomotive 225 at Vancouver, British Columbia, undated
- ItemWWAGD-52-103 - Great Northern Diesel Locomotive 226, undated
- ItemWWAGD-52-104 - Great Northern Diesel Locomotive 226, undated
- 301 more...