- 5 Strawbridge & Clothier Dry Goods (Firm)
- 21 Streams
- 1 Street art
- 1 Street cleaning
- 1 Street entertainers
- 175 Street lights
- 5 Street musicians
- 4 Street railroad employees
- 1 Street railroad facilities
- 10 Street railroad stations
- 254 Street railroad tracks
- 199 Street railroads
- 282 Street scenes
- 81 Street scenes
- 1 Street sweepers
- 9 Street Vendors
- 1 Street, doctor
- 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)
