Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3003 - Freight Cars
- ItemWWAPC0271 - Great Northern Railway gondola number 75028 at Seattle, Washington, circa 1946.
- ItemJATGTrain - Great Northern Railway freight cars in Washington, undated.
- ItemJATGTrain_A - Great Northern Railway freight cars in Washington, undated.
- ItemJATGTrain_B - Great Northern Railway freight cars in Washington, undated.
- ItemJATGTrainBallard - Great Northern Railway freight cars at Ballard, Washington, circa 1935.
- ItemJATGTrainIndex - Great Northern Railway freight cars at Index, Washington, undated.
- ItemJATGTrainInterbayCut - Great Northern Railway freight cars at Interbay, Washington, undated.
- ItemJATGTrainNBallard - Great Northern Railway freight cars at Ballard, Washington, undated.
- ItemJATGTunnel - Great Northern Railway freight cars in Washington, undated.
- 9 more...