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 3004 - Railroad Passenger Cars
- 44 more...
- ItemTRWahl0434 - Great Northern Passenger Car, Seattle, Washington, undated
- ItemTRWahl0476 - Great Northern Maintenance of Way Car 63327, Bellingham, Washington, undated
- ItemTRWahl0539 - Great Northern Baggage Car 492, Bellingham, Washington, undated
- ItemTRWahl0540 - Great Northern Baggage Car 492, Bellingham, Washington, undated
- ItemTRWahl0541 - Great Northern Baggage Car 492, Bellingham, Washington, undated
- ItemTRWahl0542 - Great Northern Baggage Car 492, Bellingham, Washington, undated
- ItemTRWahl0544 - Great Northern Baggage Car 492, Bellingham, Washington, undated
- ItemTRWahl0657 - Great Northern Passenger Car 960, Bellingham, Washington, undated
- ItemTRWahl0658 - Great Northern Sleeping Car "Lake Russell", Bellingham, Washington, undated
- 29 more...