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
- 909 more...
- ItemWWASMR-DWNTN-094 - Seattle Municipal Railway car, Seattle, Washington, 1926
- ItemWWASMR-DWNTN-095 - Seattle Municipal Railway track, Seattle, Washington, 1921
- ItemWWASMR-DWNTN-096 - Seattle Municipal Railway track, Seattle, Washington, 1926
- ItemWWASMR-DWNTN-097 - Seattle Municipal Railway car, Seattle, Washington, 1922
- ItemWWASMR-DWNTN-098 - Seattle Municipal Railway work car, Seattle, Washington, 1941
- ItemWWASMR-DWNTN-099 - Seattle Municipal Railway track, Seattle, Washington, 1933
- ItemWWASMR-DWNTN-100 - Seattle Municipal Railway track, Seattle, Washington, 1936
- ItemWWASMR-DWNTN-101 - Seattle Municipal Railway Car 741, Seattle, Washington, 1940
- ItemWWASMR-DWNTN-102 - Seattle Electric Company cars, Seattle, Washington, circa 1900
- 1209 more...