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
- 1004 more...
- ItemWWASMR-01-043 - Seattle Municipal Railway Track, Seattle, Washington, circa 1920
- ItemWWASMR-01-044 - Seattle Municipal Railway Car, Seattle, Washington, circa 1920
- ItemWWASMR-01-045 - Seattle Municipal Railway Track, Seattle, Washington, 1923
- ItemWWASMR-01-046 - Seattle Municipal Railway Track, Seattle, Washington, 1923
- ItemWWASMR-01-047 - Seattle Municipal Railway Track, Seattle, Washington, circa 1925
- ItemWWASMR-01-048 - Seattle Municipal Railway Track, Seattle, Washington, circa 1920
- ItemWWASMR-01-049 - Seattle Electric Company Track, Seattle, Washington, circa 1910
- ItemWWASMR-01-050 - Seattle Municipal Railway Track, Seattle, Washington, 1920
- ItemWWASMR-01-050A - Seattle Municipal Railway Car 281, Seattle, Washington, circa 1920
- 1114 more...