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
- 127 more...
- ItemWWAGD-52-127 - Great Northern Diesel Locomotive 267A, undated
- ItemWWAGD-52-128 - Great Northern Diesel Locomotive 262A, undated
- ItemWWAGD-52-130 - Great Northern Diesel Locomotive 267A, undated
- ItemWWAGD-52-131 - Great Northern Diesel Locomotive 271B, undated
- ItemWWAGD-52-132 - Great Northern Diesel Locomotive 271B, undated
- ItemWWAGD-52-134 - Great Northern Diesel Locomotive 273A, undated
- ItemWWAGD-52-135 - Great Northern Diesel Locomotive 277B at Seattle, Washington, undated
- ItemWWAGD-52-136 - Great Northern Diesel Locomotive 274B, 1970
- ItemWWAGD-52-137 - Great Northern Diesel Locomotive 273A at Vancouver, Washington, 1970
- 281 more...