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
- 311 more...
- ItemWWASPSL6-082 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 61 near Pasco, Washington, August 5, 1953
- ItemWWASPSL6-085 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotives 301, 311 and 325 with Northern Pacific 7052A at Pasco, Washington, March 1969
- ItemWWASPSL6-086 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotives 304, 310 and 302 with Northern Pacific 3604 at Pasco, Washington, March 1969
- ItemWWASPSL6-087 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotives 304, 310 and 302 with Northern Pacific 3604 at Pasco, Washington, March 1969
- ItemWWASPSL7-072 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 864, Scribner, Washington, undated
- ItemWWASPSL7-075 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive, Alco FA-1, Washington State, undated
- ItemWWASPSL7-107 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 325 at Spokane, Washington, November 1969
- ItemWWASPSL7-108 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 302, Spokane, Washington, November 1969
- ItemWWASPSL7-113 - Spokane, Portland, and Seattle (SP&S) Diesel Locomotive 853 at Hillyard, Washington, April 18, 1951
- 33 more...