Railroad Archives Online
- CollectionD0288 - Terence Wahl Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 188 more...
- ItemTRWahl0951 - Great Northern Diesel Locomotive 266A, Bellingham, Washington, undated
- ItemTRWahl0952 - Great Northern Diesel Locomotive 357A, Bellingham, Washington, undated
- ItemTRWahl0953 - Great Northern Diesel Locomotive 310A, Bellingham, Washington, undated
- ItemTRWahl0954 - Great Northern Diesel Locomotive 310A, Bellingham, Washington, undated
- ItemTRWahl0970 - Great Northern Diesel Locomotive 271B, Bellingham, Washington, undated
- ItemTRWahl0971 - Great Northern Diesel Locomotive 271B, Bellingham, Washington, undated
- ItemTRWahl0972 - Great Northern Diesel Locomotive, Bellingham, Washington, undated
- ItemTRWahl0973 - Great Northern Diesel Locomotive 161, Bellingham, Washington, undated
- ItemTRWahl0975 - Great Northern Diesel Locomotive 268A, Bellingham, Washington, undated
- 17 more...