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 3007 - Track
- 409 more...
- ItemJSBP10731 - Great Northern Railway Historical Society Blueprint Collection JSBP10731, undated.
- ItemJSBP10732 - Great Northern Railway Historical Society Blueprint Collection JSBP10732, undated.
- ItemJSBP10733 - Great Northern Railway Historical Society Blueprint Collection JSBP10733, undated.
- ItemJSBP10746 - Great Northern Railway Historical Society Blueprint Collection JSBP10746, undated.
- ItemJSBP10747 - Great Northern Railway Historical Society Blueprint Collection JSBP10747, undated.