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
- 705 more...
- ItemWWASMR-JEF-040 - Seattle Municipal Railway Track, Seattle, Washington, circa 1920
- ItemWWASMR-JEF-041 - Seattle Municipal Railway Car 517, Seattle, Washington, 1921
- ItemWWASMR-JEF-042 - Seattle Municipal Railway Car 517, Seattle, Washington, 1921
- ItemWWASMR-JEF-043 - Seattle Municipal Railway Car 659, Seattle, Washington, 1920s
- ItemWWASMR-JEF-044 - Seattle Transit System Car 275, Seattle, Washington, 1940
- ItemWWASMR-JEF-045 - Seattle Municipal Railway Car 507, Seattle, Washington, undated
- ItemWWASMR-JEF-046 - Seattle Municipal Railway Car 153, Seattle, Washington, undated
- ItemWWASMR-JEF-047 - Seattle Municipal Railway Car 160, Seattle, Washington, undated
- ItemWWASMR-JEF-048 - Seattle Municipal Railway Car 354, Seattle, Washington, undated
- 1413 more...