Railroad Archives Online
- FondoE0477 - BNSF Maps, Drawings and Records Collection
- Serie003 - Great Northern Railway Company (U.S.)
- Sottoserie009 - Engineering Records
- 009 - Rairoads - Electrification
- Unità documentariaEBP0221 - Great Northern Technical Drawing, Berne, Washington, 1928
- Unità documentariaEBP0223 - Great Northern Technical Drawing, Berne, Washington, 1928
- Unità documentariaEBP0224 - Great Northern Technical Drawing, Berne, Washington, 1929
- Unità documentariaEBP0225 - Great Northern Technical Drawing, Berne, Washington, 1932
- Unità documentariaEBP0369 - Spokane and Inland Empire Railway Plan, Bowl and Pitcher Power Site, Washington, undated
- Unità documentariaEBP0967 - Great Northern Technical Drawing, Cashmere, Washington, 1928
- Unità documentariaEBP0968 - Great Northern Technical Drawing, Cashmere, Washington, 1928
- Unità documentariaEBP0969 - Great Northern Technical Drawing, Cashmere, Washington, 1928
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