Title
- Romuleon1
- Rubricae1
- Rule of Jesuati of San Giusto alle mura1
- Rule of Saint Benedict1
- Saint Dominic1
- Sayings1
- School miscellany1
- Scroll of Esther1
- Secreti medicinali1
- Sefer Yeẓirah1
- Sefirat ha-ʻomer1
- Seneca's tragedies1
- Sententiarum libri1
- Sermones ad heremitas1
- Sermones de tempore1
- Sermones de tempore et de sanctis1
- Shulchan Aruch1
- Sibylline oracles1
- Silk purse with manuscript waste1
- Sommaria relatione et breve avviso1