Railroad Archives Online
- FondiD0036 - George Werkema Collection
- Serija003 - Great Northern Railway Company (U.S.)
- Podserija014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 001 - Steam Locomotives
- Dokumentimg180 - Great Northern Steam Locomotive 1147 at Wenatchee, Washington, 1987
- Dokumentimg181 - Great Northern Steam Locomotive 1147 at Wenatchee, Washington, 1987
- Dokumentimg182 - Great Northern Steam Locomotive 1147 at Wenatchee, Washington, 1987
- Dokumentimg183 - Great Northern Steam Locomotive 1147 at Wenatchee, Washington, 1987
- Dokumentimg184 - Great Northern Steam Locomotive 1147 at Wenatchee, Washington, 1988
- 6 more...