Encyclopedias, Almanacs, Transcripts, and Maps
- Swiss Confederation
- Swiss Federal Institute of Technology
- Swiss literature
- Sybel, Heinrich von
- Sydenham, Charles Edward Poulett Thomson, Baron
- Sydney Mines
- Sydney, Algernon
- Sydney, University of
- Syene
- Sylacauga
- Sylhet
- Sylt
- Sylva, Carmen
- Sylvania
- sylvinite
- Syme
- Syme, Sir Ronald
- Symeon
- Symington, William Stuart
- Symmachus, Quintus Aurelius