Encyclopedias, Almanacs, Transcripts, and Maps
- Sexton, George
- Sextus Julius Frontinus
- Sextus V. Pope (1521-1590)
- Sexual Behavior, Social Control of
- Sexual Dimorphism
- Sexual Ethics
- Sexual Ethics and Professional Standards
- Sexual Identity
- Sexual Reproduction
- Sexual Reproduction
- Sexuality, Legal Approaches to
- Sexually Transmitted Diseases
- Sexually Transmitted Diseases
- Seybert Commission
- Seychelles Frogs: Sooglossidae
- Shack August Krogh
- Shaddai
- Shah, (Sayed) Idries (1924-1996)
- Shaman's Drum
- Shamballah