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 3005 - Signals
- 35 more...
- ItemJSBP7424 - Great Northern Railway Historical Society Blueprint Collection JSBP7424, System Wide, 1935.
- ItemJSBP7669 - Great Northern Railway Historical Society Blueprint Collection JSBP7669, System Wide, 1942.
- ItemJSBP7706 - Great Northern Railway Historical Society Blueprint Collection JSBP7706, System Wide, 1944.
- ItemJSBP7707 - Great Northern Railway Historical Society Blueprint Collection JSBP7707, System Wide, 1944.
- ItemJSBP7708 - Great Northern Railway Historical Society Blueprint Collection JSBP7708, System Wide, 1944.
- ItemJSBP7709 - Great Northern Railway Historical Society Blueprint Collection JSBP7709, System Wide, 1944.
- ItemJSBP7710 - Great Northern Railway Historical Society Blueprint Collection JSBP7710, System Wide, 1944.
- ItemJSBP7835 - Great Northern Railway Historical Society Blueprint Collection JSBP7835, System Wide, 1946.
- ItemJSBP7836 - Great Northern Railway Historical Society Blueprint Collection JSBP7836, System Wide, 1946.
- 32 more...