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
- 607 more...
- ItemWWASMR-FRE-043 - Seattle Municipal Railway Car 730 series, Seattle, Washington, undated
- ItemWWASMR-FRE-044 - Seattle Municipal Railway Car 752, Seattle, Washington, 1920s
- ItemWWASMR-FRE-045 - Seattle Municipal Railway Car 752, Seattle, Washington, 1921
- ItemWWASMR-FRE-046 - Seattle Municipal Railway Employee, Seattle, Washington, 1924
- ItemWWASMR-FRE-047 - Seattle Municipal Railway Employee, Seattle, Washington, 1924
- ItemWWASMR-FRE-048 - Seattle Municipal Railway Car 557, Seattle, Washington, undated
- ItemWWASMR-GEO-001 - Seattle Municipal Railway Car 603, Seattle, Washington, circa 1940
- ItemWWASMR-GEO-002 - Seattle Municipal Railway Car 507, Seattle, Washington, 1920
- ItemWWASMR-GEO-003 - Seattle Municipal Railway Car 147, Seattle, Washington, 1927
- 1511 more...