Railroad Archives Online
- CollectionD0063 - Walter W. Ainsworth Collection
- Series010 - Other Railroads
- Subseries Level 1014 - Photographs
- Subseries Level 2001 - Railroads--Equipment and Supplies
- Subseries Level 3012 - Street railroads
- 1648 more...
- ItemWWASMR-18-013 - Seattle Municipal Railway Track, Seattle, Washington, 1927
- ItemWWASMR-18-014 - Seattle Municipal Railway Track, Seattle, Washington, circa 1925
- ItemWWASMR-18-015 - Seattle Municipal Railway Track, Seattle, Washington, 1927
- ItemWWASMR-18-016 - Seattle Municipal Railway Car, Seattle, Washington, 1927
- ItemWWASMR-18-017 - Seattle Municipal Railway Cars, Seattle, Washington, 1927
- ItemWWASMR-18-018 - Seattle Municipal Railway Track, Seattle, Washington, 1927
- ItemWWASMR-18-019 - Seattle Municipal Railway Track, Seattle, Washington, 1923
- ItemWWASMR-18-020 - Seattle Municipal Railway Track, Seattle, Washington, 1923
- ItemWWASMR-18-021 - Seattle Municipal Railway Track, Seattle, Washington, 1923
- 470 more...