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
- 949 more...
- ItemWWASMR-DWNTN-134 - Seattle Municipal Railway track, Seattle, Washington, 1928
- ItemWWASMR-DWNTN-135 - Seattle Municipal Railway track, Seattle, Washington, 1928
- ItemWWASMR-DWNTN-136 - Seattle Municipal Railway track, Seattle, Washington, 1920s
- ItemWWASMR-DWNTN-137 - Seattle Municipal Railway Car 573, Seattle, Washington, circa 1920
- ItemWWASMR-DWNTN-138 - Seattle Electric Company Car 514, Seattle, Washington, 1909
- ItemWWASMR-DWNTN-139 - Seattle Municipal Railway track, Seattle, Washington, circa 1920
- ItemWWASMR-DWNTN-140 - Seattle Municipal Railway track, Seattle, Washington, 1919
- ItemWWASMR-DWNTN-141 - Seattle Municipal Railway track, Seattle, Washington, circa 1925
- ItemWWASMR-DWNTN-142 - Seattle Municipal Railway track, Seattle, Washington, circa 1921
- 1169 more...