Railroad Archives Online
- 宗卷D0063 - Walter W. Ainsworth Collection
- 系列010 - Other Railroads
- 次系列014 - Photographs
- 001 - Railroads--Equipment and Supplies
- 012 - Street railroads
- 物件WWAHP-001 - Seattle Municipal Railway Car 110, Burien, Washington, 1915
- 物件WWAHP-002 - Seattle Municipal Railway Employees, Seattle, Washington, 1914
- 物件WWAHP-003 - Seattle Municipal Railway Car, Seattle, Washington, 1925
- 物件WWAHP-004 - Seattle Municipal Railway Track, Seattle, Washington, 1915
- 物件WWAHP-005 - Seattle Municipal Railway Track, Seattle, Washington, 1915
- 物件WWAHP-006 - Seattle Municipal Railway Track, Seattle, Washington, 1915
- 物件WWAHP-007 - Seattle Municipal Railway Track, Seattle, Washington, 1930
- 2120 more...