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
- 599 more...
- ItemWWASMR-FRE-035 - Seattle Municipal Railway Car 554, Seattle, Washington, 1938
- ItemWWASMR-FRE-036 - Seattle Municipal Railway Car 535, Seattle, Washington, 1938
- ItemWWASMR-FRE-037 - Seattle Municipal Railway Car 721, Seattle, Washington, 1940
- ItemWWASMR-FRE-038 - Seattle Municipal Railway Car 567, Seattle, Washington, circa 1940
- ItemWWASMR-FRE-039 - Seattle Municipal Railway Car 752, Seattle, Washington, undated
- ItemWWASMR-FRE-040 - Seattle Municipal Railway Car 575, Seattle, Washington, undated
- ItemWWASMR-FRE-041 - Seattle Municipal Railway Car 572, Seattle, Washington, undated
- ItemWWASMR-FRE-042 - Seattle Municipal Railway Car 707, Seattle, Washington, undated
- ItemWWASMR-FRE-043 - Seattle Municipal Railway Car 730 series, Seattle, Washington, undated
- 1519 more...