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 3001 - Steam Locomotives
- 196 more...
- ItemWWASPSS-02-015 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 150, Portland, Oregon, June 3, 1941
- ItemWWASPSS-02-016 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 150, Seaside, Oregon, June 1947
- ItemWWASPSS-02-017 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 150, Seaside, Oregon, June 1947
- ItemWWASPSS-02-018 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 150, Wahanna, Oregon, June 29, 1947
- ItemWWASPSS-02-019 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 150, undated
- ItemWWASPSS-02-020 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 150, undated
- ItemWWASPSS-02-021 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 150, Portland, Oregon, December 21, 1947
- ItemWWASPSS-02-022 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 151, undated
- ItemWWASPSS-02-023 - Spokane, Portland and Seattle (SP&S) Steam Locomotive Number 151, Portland, Oregon, undated
- 745 more...