Railroad Archives Online
- CollectionD0153 - Doug Wingfield Collection
- Series007 - Spokane, Portland, and Seattle Railway
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3002 - Diesel Locomotives
- 9 more...
- ItemWingfield.240 - Spokane, Portland & Seattle Diesel Locomotive 862, 868 at Spokane, Washington, 1968
- ItemWingfield.241 - Spokane, Portland & Seattle Diesel Locomotive 862, 868 at Spokane, Washington, 1968
- ItemWingfield.242 - Spokane, Portland & Seattle Diesel Locomotive 862, 868 at Spokane, Washington, 1968
- ItemWingfield.243 - Spokane, Portland & Seattle Diesel Locomotive 862, 868 at Spokane, Washington, 1968
- ItemWingfield.250 - Spokane, Portland & Seattle Diesel Locomotive 801 at Spokane, Washington, 1968
- ItemWingfield.251 - Spokane, Portland & Seattle Diesel Locomotive 806, 803 at Spokane, Washington, 1968