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
- 99 more...
- ItemWWASPSD1-100 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 72, Vancouver, Washington, May 1955
- ItemWWASPSD1-101 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 75, Astoria , Oregon, 1952
- ItemWWASPSD1-102 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 76, Orenco Junction, Oregon, February 1954
- ItemWWASPSD1-103 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 76, Portland, Oregon, September 1956
- ItemWWASPSD1-104 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 77, undated
- ItemWWASPSD1-105 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 75, Rockton, Oregon, February 8, 1953
- ItemWWASPSD1-106 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 76, Orenco Junction, Oregon, February 1954
- ItemWWASPSD1-107 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 78, Pasco, Washington, August 1970
- ItemWWASPSD1-108 - Spokane, Portland and Seattle (SP&S) Diesel Locomotive Number 78, Portland, Oregon, undated
- 245 more...