Railroad Archives Online
- FondsE0045 - Great Northern Railway Authority for Expenditure Collection
- Série003 - Great Northern Railway Company (U.S.)
- Sous-série002 - Authorization for Expenditure
- 102813 en plus...
- Pièce435810 - Great Northern Railway Authorization for Expenditure (AFE) 17898, 1921.
- Pièce435811 - Great Northern Railway Authorization for Expenditure (AFE) 17899, Sidney, Montana, 1921.
- Pièce435812 - Great Northern Railway Authorization for Expenditure (AFE) 17900, Wayzata, Minnesota, 1921.
- Pièce435813 - Great Northern Railway Authorization for Expenditure (AFE) 17914, Marietta Spur, Washington, 1921.
- Pièce435814 - Great Northern Railway Authorization for Expenditure (AFE) 17916, 1921.
- Pièce435815 - Great Northern Railway Authorization for Expenditure (AFE) 17921, Havre, Montana, 1921.
- Pièce435816 - Great Northern Railway Authorization for Expenditure (AFE) 17922, Blaine, Washington, 1921.
- Pièce435817 - Great Northern Railway Authorization for Expenditure (AFE) 17923, 1921.
- Pièce435818 - Great Northern Railway Authorization for Expenditure (AFE) 17930, Emmert, Minnesota, 1921.
- 7969 en plus...