Railroad Archives Online
- フォンドE0045A - Great Northern Railway- Blueprint-Authorization for Expenditure Collection
- シリーズ001 - Burlington Northern Railroad Company
- サブシリーズ012 - Cartographic materials
- 001 - Railroads - Right of Way
- アイテムJSBP8291 - Great Northern Railway Historical Society Blueprint Collection JSBP8291, System Wide, 1977.