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
- 40 more...
- 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.
- ItemJSBP7837 - Great Northern Railway Historical Society Blueprint Collection JSBP7837, System Wide, 1946.
- ItemJSBP7838 - Great Northern Railway Historical Society Blueprint Collection JSBP7838, System Wide, 1946.
- ItemJSBP7839 - Great Northern Railway Historical Society Blueprint Collection JSBP7839, System Wide, 1946.
- ItemJSBP7910 - Great Northern Railway Historical Society Blueprint Collection JSBP7910, System Wide, 1947.
- ItemJSBP7960 - Great Northern Railway Historical Society Blueprint Collection JSBP7960, System Wide, 1948.
- 27 more...