Railroad Archives Online
- ФондовиD0288 - Terence Wahl Collection
- Серија003 - Great Northern Railway Company (U.S.)
- Подсерија014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 003 - Freight Cars
- ЈединицаTRWahl0035 - Great Northern Hopper Car 71566, Bellingham, Washington, undated
- ЈединицаTRWahl0036 - Great Northern Hopper Car 71567, Bellingham, Washington, undated
- ЈединицаTRWahl0041 - Great Northern Boxcar 39352, Bellingham, Washington, undated
- ЈединицаTRWahl0042 - Great Northern Boxcar 41912, Bellingham, Washington, undated
- ЈединицаTRWahl0067 - Great Northern Flat Car 67094, Bellingham, Washington, undated
- 103 више...