Railroad Archives Online
- FondoE0018 - Norm Keyes Collection
- Serie007 - Spokane, Portland, and Seattle Railway
- Sottoserie014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 001 - Steam Locomotives
- Unità documentaria40.S.108.01 - Spokane, Portland, and Seattle Railway Steam Locomotive 900, undated
- Unità documentaria40.S.38.01 - Spokane, Portland, and Seattle Railway Steam Locomotive 201 at Vancouver, Washington, 1941
- Unità documentaria40.S.43.03 - Spokane, Portland, and Seattle Railway Steam Locomotive 159, undated
- Unità documentaria40.S.50.05 - Spokane, Portland, and Seattle Railway Steam Locomotive 161 at Portland, Oregon, 1937
- Unità documentaria40.S.50.06 - Spokane, Portland, and Seattle Railway Steam Locomotive 624 at Vancouver, Washington, 1937
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