Encyclopedias, Almanacs, Transcripts, and Maps
- S.I
- Sabbathi
- Sabbats
- Sabellicus, Georgius (ca. 1490)
- Sabian Assembly
- Sabine, William H(enry) W(aldo)(1903-1994)
- Sabur ibn Sahl
- Sac-Winged Bats, Sheath-Tailed Bats, and Ghost Bats: Emballonuridae
- Sacha Runa
- Sacharias Jansen
- Sacred Heart Diet
- Sacsahuaman and the Skilled Stonecutters
- Saethre-Chotzen syndrome
- Saethre-Chotzen Syndrome
- Safe Enough to Kill: Advances in the Chemistry of Explosives
- SAFE Newsletter
- Safety Engineering
- Safety Engineering: Historical Emergence
- Safety Engineering: Practices
- Safety Factors