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
- 159 more...
- ItemWWASPSD1-160 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 305, undated
- ItemWWASPSD1-161 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 310, undated
- ItemWWASPSD1-162 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 310, undated
- ItemWWASPSD1-163 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 311, undated
- ItemWWASPSD1-164 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 312, undated
- ItemWWASPSD1-165 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 313, Spokane, Washington, undated
- ItemWWASPSD1-166 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 314, undated
- ItemWWASPSD1-167 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 315, undated
- ItemWWASPSD1-168 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 316, undated
- 94 more...