Subject
- Slings2
- Smith, Edgar F. (Edgar Fahs), 1854-19281
- Snails2
- Snakes2
- Snowflakes1
- Sodium carbonate1
- Solubility1
- Sorbière, Samuel, 1615-16706
- South America1
- Spain1
- Spanish colonies1
- Speeches1
- Spiders1
- Spinel1
- Sprat, Thomas, 1635-17134
- Sprouts1
- Spurs (Horse)1
- St. Illtyd (Church : Llantwit, Neath, Wales)1
- Stack, Richard, -18121
- Stalactites and stalagmites1