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
- 1018 more...
- ItemWWASMR-01-054 - Seattle Municipal Railway Track, Seattle, Washington, circa 1920
- ItemWWASMR-01-055 - Seattle Municipal Railway Car 273, Seattle, Washington, circa 1940
- ItemWWASMR-01-056 - Seattle Municipal Railway Car, Seattle, Washington, circa 1940
- ItemWWASMR-01-058 - Seattle Municipal Railway Track, Seattle, Washington, circa 1920
- ItemWWASMR-01-059 - Seattle Municipal Railway Track, Seattle, Washington, circa 1920
- ItemWWASMR-01-060 - Puget Sound Traction, Light and Power Car 687, Seattle, Washington, circa 1912
- ItemWWASMR-01-061 - Seattle Municipal Railway Track, Seattle, Washington, 1934
- ItemWWASMR-01-062 - Seattle Municipal Railway Track, Seattle, Washington, circa 1920
- ItemWWASMR-02-001 - Seattle Municipal Railway Car 638, Seattle, Washington, circa 1940
- 1100 more...