Subject
- Spinel1
- Sprouts1
- Spurs (Horse)1
- St. Illtyd (Church : Llantwit, Neath, Wales)1
- Stack, Richard, -18121
- Stalactites and stalagmites1
- Stanhope, Charles Stanhope, Earl, 1753-18161
- Starfishes1
- Stars1
- Storks1
- Sturgeon, William, 1783-18501
- Sugar1
- Sulfur1
- Summa perfectionis magisterii (Geber)1
- Sylvester, Charles1
- Symbolism1
- Talismans1
- Tanning1
- Tantalum ores1
- Telescopes--Design and construction1