Railroad Archives Online
- FondsE0045 - Great Northern Railway Authority for Expenditure Collection
- Série003 - Great Northern Railway Company (U.S.)
- Sous-série002 - Authorization for Expenditure
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- Pièce366040 - Great Northern Railway Authorization for Expenditure (AFE) 15190, Gateway, Montana, 1920.
- Pièce366041 - Great Northern Railway Authorization for Expenditure (AFE) 15195, Chester, Montana, 1920.
- Pièce366042 - Great Northern Railway Authorization for Expenditure (AFE) 15199, Wenatchee, Washington, 1920.
- Pièce366043 - Great Northern Railway Authorization for Expenditure (AFE) 15227, 1920.
- Pièce366044 - Great Northern Railway Authorization for Expenditure (AFE) 15245, 1920.
- Pièce366045 - Great Northern Railway Authorization for Expenditure (AFE) 15340, Grand Forks, North Dakota, 1920.
- Pièce366046 - Great Northern Railway Authorization for Expenditure (AFE) 15342, Leaf River, Minnesota, 1920.
- Pièce366047 - Great Northern Railway Authorization for Expenditure (AFE) 6816, Grand Forks, North Dakota, 1917.
- Pièce366048 - Great Northern Railway Authorization for Expenditure (AFE) 6833, Saint Cloud, Minnesota, 1917.
- 43981 en plus...