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
- 986 more...
- ItemWWASMR-01-025 - Seattle Municipal Railway Car 686, Seattle, Washington, 1939
- ItemWWASMR-01-026 - Seattle Municipal Railway Car 273, Seattle, Washington, 1939
- ItemWWASMR-01-027 - Seattle Municipal Railway Car 628, Seattle, Washington, 1939
- ItemWWASMR-01-028 - Bridge, Seattle Washington, 1924
- ItemWWASMR-01-030 - Seattle Municipal Railway Track, Seattle, Washington, circa 1939
- ItemWWASMR-01-031 - Seattle Municipal Railway Track, Seattle, Washington, undated
- ItemWWASMR-01-032 - Seattle Municipal Railway Track, Seattle, Washington, circa 1920
- ItemWWASMR-01-033 - Seattle Municipal Railway Track, Seattle, Washington, circa 1920
- ItemWWASMR-01-034 - Seattle Electric Company Car 535, Seattle, Washington, circa 1910
- 1132 more...