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
- 1463 more...
- ItemWWASMR-12-026 - Seattle Municipal Railway Car 523, Seattle, Washington, 1940
- ItemWWASMR-12-027 - Seattle Municipal Railway Car 514, Seattle, Washington, undated
- ItemWWASMR-12-028 - Seattle Municipal Railway Car 201, Seattle, Washington, 1920
- ItemWWASMR-12-029 - Seattle Municipal Railway Car 524, Seattle, Washington, 1940
- ItemWWASMR-12-030 - Seattle Municipal Railway Car 52, Seattle, Washington, 1916
- ItemWWASMR-12-031 - Seattle Municipal Railway Car, Seattle, Washington, circa 1920
- ItemWWASMR-12-032 - Seattle Municipal Railway Car 302, Seattle, Washington, 1911
- ItemWWASMR-12-033 - Seattle Municipal Railway Car 302, Seattle, Washington, 1911
- ItemWWASMR-12-034 - Seattle Municipal Railway Car 307, Seattle, Washington, 1911
- 655 more...