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
- ItemJSBP1113 - Great Northern Railway Historical Society Blueprint Collection JSBP1113, Dakota Division, 1902.
- ItemJSBP6325 - Great Northern Railway Historical Society Blueprint Collection JSBP6325, System Wide, 1907.
- ItemJSBP8512 - Great Northern Railway Historical Society Blueprint Collection JSBP8512, System Wide, undated.
- ItemJSBP8513 - Great Northern Railway Historical Society Blueprint Collection JSBP8513, System Wide, undated.
- ItemJSBP0376 - Great Northern Railway Historical Society Blueprint Collection JSBP0376, Argusville, North Dakota, 1948.
- 71 more...