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
- 533 more...
- ItemWWASMR-Bus-0112-002 - Seattle Transit System Bus 112, Seattle, Washington, 1949
- ItemWWASMR-Bus-0116 - Seattle Municipal Railway Bus 116, Seattle, Washington, 1940
- ItemWWASMR-Bus-0120 - Seattle Municipal Railway Bus 120, Seattle, Washington, circa 1932
- ItemWWASMR-Bus-0131 - Seattle Municipal Railway Bus 131, Seattle, Washington, circa 1940
- ItemWWASMR-Bus-0131-002 - Seattle Municipal Railway Bus 131, Seattle, Washington, 1926
- ItemWWASMR-Bus-0132 - Seattle Municipal Railway Bus 13X, Seattle, Washington, circa 1930
- ItemWWASMR-BUS-0134 - Seattle Municipal Railway Bus 134, Seattle, Washington, 1926
- ItemWWASMR-Bus-0182 - Seattle Transit System Bus 182, Seattle, Washington, 1949
- ItemWWASMR-Bus-0238 - Seattle Transit System Bus 238, Seattle, Washington, 1940
- 1585 more...