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
- 503 more...
- ItemWWASMR-SPO-052 - Seattle Municipal Railway Track, Seattle, Washington, 1929
- ItemWWASMR-SPO-053 - Seattle Municipal Railway Car 571, Seattle, Washington, circa 1940
- ItemWWASMR-SPO-054 - Seattle Municipal Railway Track, Seattle, Washington, 1929
- ItemWWASMR-SPO-055 - Seattle Municipal Railway Track, Seattle, Washington, 1929
- ItemWWASMR-SPO-056 - Seattle Municipal Railway Car 103, Seattle, Washington, 1919
- ItemWWASMR-SPO-057 - Seattle Municipal Railway Track, Seattle, Washington, circa 1919
- ItemWWASMR-SPO-058 - Seattle Municipal Railway Track, Seattle, Washington, 1929
- ItemWWASMR-SPO-059 - Seattle Municipal Railway Track, Seattle, Washington, circa 1925
- ItemWWASMR-SPO-060 - Seattle Municipal Railway Track, Seattle, Washington, circa 1925
- 1615 more...