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
- 1448 more...
- ItemWWASMR-12-011 - Seattle Municipal Railway Car 517, Seattle, Washington, 1940
- ItemWWASMR-12-012 - Seattle Municipal Railway Car 520, Seattle, Washington, 1940
- ItemWWASMR-12-013 - Seattle Municipal Railway Car 517, Seattle, Washington, 1940
- ItemWWASMR-12-014 - Seattle Municipal Railway Car 514, Seattle, Washington, 1940
- ItemWWASMR-12-015 - Seattle Municipal Railway Car 513, Seattle, Washington, 1940
- ItemWWASMR-12-016 - Seattle Municipal Railway Car 510, Seattle, Washington, 1939
- ItemWWASMR-12-017 - Seattle Municipal Railway Car 515, Seattle, Washington, circa 1940
- ItemWWASMR-12-018 - Seattle Municipal Railway Car 515, Seattle, Washington, 1940
- ItemWWASMR-12-019 - Seattle Municipal Railway Car 516, Seattle, Washington, undated
- 670 more...