Railroad Archives Online
- CollectionE0045A - Great Northern Railway- Blueprint-Authorization for Expenditure Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3009 - Railroads - electrification drawings
- ItemJSBP3125 - Great Northern Railway Historical Society Blueprint Collection JSBP3125, Leavenworth, Washington, 1937.
- ItemJSBP3126 - Great Northern Railway Historical Society Blueprint Collection JSBP3126, Leavenworth, Washington, 1937.
- ItemJSBP3127 - Great Northern Railway Historical Society Blueprint Collection JSBP3127, Leavenworth, Washington, 1937.
- ItemJSBP3128 - Great Northern Railway Historical Society Blueprint Collection JSBP3128, Leavenworth, Washington, 1937.
- ItemJSBP3129 - Great Northern Railway Historical Society Blueprint Collection JSBP3129, Leavenworth, Washington, 1937.
- 84 more...