Railroad Archives Online
- FondsE0480 - Great Northern Railway Historical Society Miscellaneous Collection
- Série003 - Great Northern Railway Company (U.S.)
- Sous-série014 - Photographs
- 002 - Railroad Employees
- PièceGN-BLE-GeneralCommittee1953 - General Committee of Adjustment, Brotherhood of Locomotive Engineers, Great Northern Railway, April 1953