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
- 573 more...
- ItemWWASMR-FRE-009 - Seattle Municipal Railway Car 720, Seattle, Washington, 1920
- ItemWWASMR-FRE-010 - Seattle Municipal Railway Car 727, Seattle, Washington, undated
- ItemWWASMR-FRE-011 - Seattle Municipal Railway Car 276, Seattle, Washington, 1922
- ItemWWASMR-FRE-012 - Seattle Municipal Railway Car 723 and 725, Seattle, Washington, 1941
- ItemWWASMR-FRE-013 - Seattle Municipal Railway Car 732, Seattle, Washington, 1923
- ItemWWASMR-FRE-014 - Seattle Municipal Railway Car 755, Seattle, Washington, circa 1925
- ItemWWASMR-FRE-015 - Seattle Municipal Railway Car 537, Seattle, Washington, 1922
- ItemWWASMR-FRE-016 - Seattle Municipal Railway Car 145, Seattle, Washington, 1923
- ItemWWASMR-FRE-017 - Seattle Municipal Railway Car 757, Seattle, Washington, circa 1925
- 1545 more...