Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 213 more...
- ItemWWASPSD2-026 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 803, Spokane, Washington, September 1956
- ItemWWASPSD2-027 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 804, undated
- ItemWWASPSD2-028 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 804, undated
- ItemWWASPSD2-029 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 804, undated
- ItemWWASPSD2-030 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 804, undated
- ItemWWASPSD2-031 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 805, undated
- ItemWWASPSD2-032 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 805, Portland, Oregon, undated
- ItemWWASPSD2-033 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 805, undated
- ItemWWASPSD2-034 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 805, undated
- 40 more...