- Sologúren, Fernando.1
- Soriano, Manuel, active 19th century1
- Sosa, Francisco, 1848-19251
- Sosa, Secundino E.1
- Spain, enacting jurisdiction.1
- Spain.1
- Spain. Sovereign (1759-1788 : Charles III), author.1
- Spain. Sovereign (1788-1808 : Charles IV), author.1
- Stell, Geo. S.1
- Studley, Cordelia A.1
- Tames, Pedro, author1
- Tapia y Fernandez, Ricardo.1
- Tapia, Antonio A.1
- Taylor, Andrea, author1
- Torres, Ezequiel.1
- Torres, Ignacio, (Physician)1
- Troconis y Alcalá, Luis.1
- Udayakumar, Krishna, author1
- Uriarte, Baltasar.1
- Valdes, Francisco, active 18831