Railroad Archives Online
- CollectionE0045A - Great Northern Railway- Blueprint-Authorization for Expenditure Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2003 - Track profile
- ItemJSBP0024 - Great Northern Railway Historical Society Blueprint Collection JSBP0024, Akeley and Crooked Lake, Minnesota, 1902.
- ItemJSBP1280 - Great Northern Railway Historical Society Blueprint Collection JSBP1280, Duluth, Minnesota, 1908.
- ItemJSBP1312 - Great Northern Railway Historical Society Blueprint Collection JSBP1312, Duluth, Minnesota, 1944.
- ItemJSBP5270 - Great Northern Railway Historical Society Blueprint Collection JSBP5270, Saint Cloud and Willmar, Minnesota, 1906.
- ItemJSBP10139 - Great Northern Railway Historical Society Blueprint Collection JSBP10139, Minnesota, 1937.
- ItemJSBP10140 - Great Northern Railway Historical Society Blueprint Collection JSBP10140, Minnesota, 1937.