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
- 1969 more...
- ItemWWASMR-27-044 - Puget Sound Traction, Light and Power Car, Seattle, Washington, circa 1915
- ItemWWASMR-27-045 - Seattle Municipal Railway Car 399, Seattle, Washington, circa 1940
- ItemWWASMR-27-046 - Seattle Municipal Railway Track, Seattle, Washington, circa 1920
- ItemWWASMR-27-047 - Seattle Municipal Railway Track, Seattle, Washington, 1924
- ItemWWASMR-27-048 - Seattle Municipal Railway Car, Seattle, Washington, 1933
- ItemWWASMR-27-049 - Seattle Municipal Railway Track, Seattle, Washington, 1939
- ItemWWASMR-27-050 - Seattle Municipal Railway Car, Seattle, Washington, circa 1920
- ItemWWASMR-27-051 - Seattle Municipal Railway Track, Seattle, Washington, 1927
- ItemWWASMR-27-052 - Seattle Municipal Railway Track, Seattle, Washington, 1920
- 149 more...