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
- 71 more...
- ItemTRWahl0996 - Great Northern Railway Express Agency Car 409, Bellingham, Washington, undated
- ItemTRWahl0997 - Great Northern Railway Express Agency Car 417, Bellingham, Washington, undated
- ItemTRWahl1040 - Great Northern Passenger Car 1216, Bellingham, Washington, undated
- ItemTRWahl1048 - Great Northern Passenger Car 1155, Bellingham, Washington, undated
- ItemTRWahl1057 - Great Northern Passenger Train, Bellingham, Washington, undated
- ItemTRWahl1067 - Great Northern Passenger Car 995, Bellingham, Washington, undated
- ItemTRWahl1088 - Great Northern Passenger Train, Bellingham, Washington, undated
- ItemTRWahl0061 - Great Northern Passenger Train, Trinidad, Washington, undated
- ItemTRWahl0062 - Great Northern Passenger Train, Voltage, Washington, undated
- 2 more...