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
- 1831 more...
- ItemWWASMR-21-044 - Seattle Municipal Railway Track, Seattle, Washington, circa 1910
- ItemWWASMR-21-045 - Seattle Electric Company Cars, Seattle, Washington, circa 1910
- ItemWWASMR-21-046 - Seattle Municipal Railway Track, Seattle, Washington, 1921
- ItemWWASMR-21-047 - Seattle Municipal Railway Car 569, Seattle, Washington, circa 1920
- ItemWWASMR-21-048 - Seattle Municipal Railway Car 547, Seattle, Washington, circa 1920
- ItemWWASMR-21-049 - Seattle Municipal Railway Cars, Seattle, Washington, circa 1930
- ItemWWASMR-21-050 - Seattle Municipal Railway Car 545, Seattle, Washington, 1940
- ItemWWASMR-21-051 - Seattle Municipal Railway Car 539, Seattle, Washington, 1939
- ItemWWASMR-21-052 - Seattle Municipal Railway Track, Seattle, Washington, undated
- 287 more...