- 40 Streetcar systems
- 76 Streetcars
- 34 Streets
- 1 Stretcher's Brick Yard
- 62 Strickland, William, 1787-1854, Architect
- 1 Strict
- 20 Strikes (events)
- 1 String (fiber product)
- 1 String figures
- 8 Stringed instruments
- 1 Stringham, Silas Horton, 1798-1876
- 3 Stripes
- 2 Strollers (Baby carriages)
- 1 Struthers & Sons Marble Works
- 2 Stuart, Dudley, Lord, 1803-1854
- 1 Stuart, George H. (George Hay), 1816-1890
- 2 Stuart, Gilbert, 1755-1828
- 1 Stuart, Governor Edwin Sydney
- 6 Students
- 2 Studies (rooms)
- 23 Studies (Visual works)
- 360 Studio portraits
- 5 Studio, William Rau, Photographer (Firm)
- 2 Studios (work spaces)
- 1 Study (female head) (Work of Art)
- 3 Stuffed animals (Toys)
- 1 Stumps
- 1 Sturgis, Russell, 1805-1887
- 2 Submarines
- 1 Subscription lists
- 1 Subsidies
- 1 Suburban houses
- 1 Suburban landscapes
- 1 Suburban life
- 2 Suburbs
- 4 Subway cars
- 3 Subway stations
- 59 Subways
- 1 Success
- 2 Sue, Eugene, 1804-1857
