Encyclopedias, Almanacs, Transcripts, and Maps
- Swann, Ingo (1933-)
- Swawm
- Swedenborg Society
- Sweet Gale Family (Myricaceae)
- Sweet Gale Family (Myricaceae)
- Swifts
- Swifts
- Swifts and Hummingbirds: Apodiformes
- Swifts: Apodidae
- Sword of Dyrnwyn
- Sybilla Masters
- Sycomancy
- Sydney Brenner
- Sydney Gilchrist Thomas
- Sylvestre François Lacroix
- Sylvia Earle
- Symbol Guide for Pedigree Charts
- Symbol, Chemical
- Symbol, Chemical
- Symbolic Logic