Railroad Archives Online
- CollectionD0237A - Great Northern Railway Historical Society Cascade Division Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1014 - Photographs
- Subseries Level 3013 - Railroad Accidents
- ItemGNRHSCD034 - Great Northern Freight Car Wreck at Interbay Yard, Seattle, Washington, circa 1965
- ItemGNRHSCD324 - Interstate Commerce Commission Report on a Fatal Accident at the Foss River Bridge, Tonga, Washington on March 7, 1945
- ItemGNRHSCD328 - Great Northern Train Wreck, Olds Junction, Washington, October 19, 1947