Railroad Archives Online
- CollectionE0045A - Great Northern Railway- Blueprint-Authorization for Expenditure Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1006 - Business Correspondence
- 2 more...
- ItemJSBP9514 - Great Northern Railway Historical Society Blueprint Collection JSBP9514, 1901.
- ItemJSBP9539 - Great Northern Railway Historical Society Blueprint Collection JSBP9539, Washington, 1904.
- ItemJSBP9618 - Great Northern Railway Historical Society Blueprint Collection JSBP9618, 1911.
- ItemJSBP9646 - Great Northern Railway Historical Society Blueprint Collection JSBP9646, 1915.
- ItemJSBP10662 - Great Northern Railway Historical Society Blueprint Collection JSBP10662, undated.