- Speeches, addresses, etc., Italian1
- Speeches, addresses, etc., Latin1
- Speziale, Giovanni1
- Sphaera mundi (Sacro Bosco, Joannes de)1
- Spinelli, Pietro1
- Spini, Giacomo1
- Spini, Guglielmo degli1
- Spirit1
- Spiritual life1
- Spirituality1
- Spirituality--Eastern churches1
- Spirituality--Orthodox Eastern Church1
- Spurious and doubtful works1
- Squillace, Sigismondo1
- St. Jakob (Church : Regensburg, Germany)1
- Stefani, Nicola1
- Stefani, Stefano1
- Stefano, Caterina di1
- Stefano, Guida di1
- Stefano, Niccolò di1