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 3001 - Steam Locomotives
- 8 more...
- ItemTRWahl0447 - Great Northern Steam Locomotive 3237, Bellingham, Washington, undated
- ItemTRWahl0448 - Great Northern Steam Locomotive 3237, Bellingham, Washington, undated
- ItemTRWahl0500 - Great Northern Steam Locomotive 3237, Bellingham, Washington, undated
- ItemTRWahl0545 - Great Northern Steam Locomotive 1361, Bellingham, Washington, undated
- ItemTRWahl0547 - Great Northern Steam Locomotive 3251, South Bellingham, Washington, undated
- ItemTRWahl0673 - Great Northern Steam Locomotive 3217, Bellingham, Washington, undated
- ItemTRWahl0805 - Great Northern Steam Locomotive 3212, Bellingham, Washington, undated
- ItemTRWahl0905 - Great Northern Steam Locomotive 1246, Seattle, Washington, undated
- ItemTRWahl1023 - Great Northern Steam Locomotive 389, South Bellingham, Washington, undated
- 3 more...