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 3004 - Maintenance of Way support
- ItemJSBP0019 - Great Northern Railway Historical Society Blueprint Collection JSBP0019, Ada, Minnesota, 1968.
- ItemJSBP0118 - Great Northern Railway Historical Society Blueprint Collection JSBP0118, Allouez, Wisconsin, 1939.
- ItemJSBP0130 - Great Northern Railway Historical Society Blueprint Collection JSBP0130, Allouez, Wisconsin, 1942.
- ItemJSBP0137 - Great Northern Railway Historical Society Blueprint Collection JSBP0137, Allouez, Wisconsin, 1943.
- ItemJSBP0147 - Great Northern Railway Historical Society Blueprint Collection JSBP0147, Allouez, Wisconsin, 1944.
- ItemJSBP0191 - Great Northern Railway Historical Society Blueprint Collection JSBP0191, Allouez, Wisconsin, 1951.
- ItemJSBP0192 - Great Northern Railway Historical Society Blueprint Collection JSBP0192, Allouez, Wisconsin, 1951.
- 369 more...