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
- 32 more...
- ItemWWAHP-034 - Seattle Municipal Railway Cars, Seattle, Washington, 1923
- ItemWWAHP-035 - Seattle Municipal Railway Track, Seattle, Washington, 1913
- ItemWWAHP-036 - Seattle Municipal Railway Track, Seattle, Washington, 1920
- ItemWWAHP-037 - Seattle Municipal Railway Track, Seattle, Washington, 1920
- ItemWWAHP-038 - Seattle Municipal Railway Track, Seattle, Washington, 1920
- ItemWWAHP-039 - Seattle Municipal Railway Track, Seattle, Washington, 1920
- ItemWWAHP-041 - Seattle Municipal Railway Track, Seattle, Washington, 1913
- ItemWWAHP-042 - Seattle Municipal Railway Track, Seattle, Washington, 1914
- ItemWWAHP-043 - Seattle Municipal Railway Track, Seattle, Washington, 1920
- 2086 more...