Railroad Archives Online
- FondiE0045A - Great Northern Railway- Blueprint-Authorization for Expenditure Collection
- Serija004 - Northern Pacific Railroad Company
- Podserija012 - Cartographic materials
- 001 - Railroads - Right of Way
- DokumentJSBP0140 - Great Northern Railway Historical Society Blueprint Collection JSBP0140, Allouez, Wisconsin, 1943.