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
- 1171 more...
- ItemWWASMR-03-063 - Seattle Municipal Railway Track, Seattle, Washington, 1929
- ItemWWASMR-03-064 - Seattle Municipal Railway Track, Seattle, Washington, circa 1930
- ItemWWASMR-03-065 - Seattle Municipal Railway Track, Seattle, Washington, circa 1930
- ItemWWASMR-03-066 - Seattle Municipal Railway Track, Seattle, Washington, circa 1910
- ItemWWASMR-03-067 - Seattle Municipal Railway Track, Seattle, Washington, circa 1910
- ItemWWASMR-03-068 - Seattle Municipal Railway Car, Seattle, Washington, 1940
- ItemWWASMR-03-068A - Seattle Municipal Railway Track, Seattle, Washington, circa 1925
- ItemWWASMR-03-069 - Seattle Municipal Railway Car 278, Seattle, Washington, 1940
- ItemWWASMR-03-070 - Seattle Municipal Railway Cars 314 and 397, Seattle, Washington, 1940
- 947 more...