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
- 496 more...
- ItemWWASMR-SPO-045 - Seattle Municipal Railway Track, Seattle, Washington, circa 1940
- ItemWWASMR-SPO-046 - Seattle Municipal Railway Track, Seattle, Washington, circa 1940
- ItemWWASMR-SPO-047 - Seattle Municipal Railway Track, Seattle, Washington, 1940
- ItemWWASMR-SPO-048 - Seattle Municipal Railway Car 278, Seattle, Washington, circa 1940
- ItemWWASMR-SPO-049 - Seattle Municipal Railway Track, Seattle, Washington, circa 1940
- ItemWWASMR-SPO-050 - Seattle Municipal Railway Car 640, Seattle, Washington, circa 1940
- ItemWWASMR-SPO-051 - Seattle Municipal Railway Car 511, Seattle, Washington, 1940
- ItemWWASMR-SPO-052 - Seattle Municipal Railway Track, Seattle, Washington, 1929
- ItemWWASMR-SPO-053 - Seattle Municipal Railway Car 571, Seattle, Washington, circa 1940
- 1622 more...