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
- 1078 more...
- ItemWWASMR-02-053 - Seattle Municipal Railway Track, Seattle, Washington, 1922
- ItemWWASMR-02-054 - Seattle Electric Company Car 604, Seattle, Washington, 1910
- ItemWWASMR-02-055 - Seattle Municipal Railway Track, Seattle, Washington, 1928
- ItemWWASMR-02-056 - Seattle Municipal Railway Car, Seattle, Washington, 1928
- ItemWWASMR-02-057 - Seattle Municipal Railway Car 533, Seattle, Washington, 1940
- ItemWWASMR-02-058 - Seattle Municipal Railway Car, Seattle, Washington, 1919
- ItemWWASMR-02-059 - Seattle Municipal Railway Track, Seattle, Washington, 1922
- ItemWWASMR-02-060 - Seattle Municipal Railway Track, Seattle, Washington, 1921-22
- ItemWWASMR-02-061 - Seattle Municipal Railway Track, Seattle, Washington, 1922
- 1040 more...