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
- 51 more...
- ItemJSBP8251 - Great Northern Railway Historical Society Blueprint Collection JSBP8251, System Wide, 1959.
- ItemJSBP8262 - Great Northern Railway Historical Society Blueprint Collection JSBP8262, System Wide, 1962.
- ItemJSBP8278 - Great Northern Railway Historical Society Blueprint Collection JSBP8278, System Wide, 1967.
- ItemJSBP8279 - Great Northern Railway Historical Society Blueprint Collection JSBP8279, System Wide, 1967.
- ItemJSBP8389 - Great Northern Railway Historical Society Blueprint Collection JSBP8389, System Wide, undated.
- ItemJSBP8390 - Great Northern Railway Historical Society Blueprint Collection JSBP8390, System Wide, undated.
- ItemJSBP8391 - Great Northern Railway Historical Society Blueprint Collection JSBP8391, System Wide, undated.
- ItemJSBP8392 - Great Northern Railway Historical Society Blueprint Collection JSBP8392, System Wide, undated.
- ItemJSBP8393 - Great Northern Railway Historical Society Blueprint Collection JSBP8393, System Wide, undated.
- 16 more...