Railroad Archives Online
- CollectionE0479 - Great Northern Railway Public Relations Photos
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 114 - Photographs
- Subseries Level 21 - Railroads--Equipment and Supplies
- Subseries Level 35 - Maintenance of Way cars
- ItemPR.MoW.15 - Great Northern Maintenance of Way Car, undated
- ItemPR.MoW.16 - Great Northern Maintenance of Way Car at Minneapolis, Minnesota, undated
- ItemPR.MoW.47 - Great Northern Maintenance of Way Car, undated
- ItemPR.MoW.27 - Great Northern Track Crew, undated