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
- 57 more...
- ItemWWAHP-060 - Seattle Municipal Railway Car 357, Seattle, Washington, undated
- ItemWWAHP-061 - Seattle Municipal Railway Car 111, Seattle, Washington, 1915
- ItemWWAHP-062 - Seattle Municipal Railway Track, Seattle, Washington, 1915
- ItemWWAHP-063 - Seattle Municipal Railway Cars 741 and 323, Seattle, Washington, 1925
- ItemWWASRV-001 - Seattle & Rainier Valley Railway Car 111 in Seattle, Washington, 1920
- ItemWWASRV-002 - Seattle & Rainier Valley Railway Car 151 in Seattle, Washington, 1921
- ItemWWASRV-003 - Seattle & Rainier Valley Railway Car 111 in Seattle, Washington, 1936
- ItemWWASRV-004 - Seattle & Rainier Valley Railway Car 103 in Seattle, Washington, 1919
- ItemWWASRV-005 - Seattle & Rainier Valley Railway Car 104 in Seattle, Washington, 1915
- 2061 more...