Railroad Archives Online
- FondsE0045A - Great Northern Railway- Blueprint-Authorization for Expenditure Collection
- Série003 - Great Northern Railway Company (U.S.)
- Sous-série009 - Engineering Records
- 008 - Physical plant drawing
- 007 - Track
- 247 en plus...
- PièceJSBP6362 - Great Northern Railway Historical Society Blueprint Collection JSBP6362, System Wide, 1909.
- PièceJSBP6363 - Great Northern Railway Historical Society Blueprint Collection JSBP6363, System Wide, 1910.
- PièceJSBP6405 - Great Northern Railway Historical Society Blueprint Collection JSBP6405, System Wide, 1912.
- PièceJSBP6406 - Great Northern Railway Historical Society Blueprint Collection JSBP6406, System Wide, 1912.
- PièceJSBP6407 - Great Northern Railway Historical Society Blueprint Collection JSBP6407, System Wide, 1912.
- PièceJSBP6422 - Great Northern Railway Historical Society Blueprint Collection JSBP6422, System Wide, 1912.
- PièceJSBP6432 - Great Northern Railway Historical Society Blueprint Collection JSBP6432, System Wide, 1913.
- PièceJSBP6445 - Great Northern Railway Historical Society Blueprint Collection JSBP6445, System Wide, 1913.
- PièceJSBP6457 - Great Northern Railway Historical Society Blueprint Collection JSBP6457, System Wide, 1914.
- 158 en plus...