Title
- Roman law1
- Romuleon1
- Rubricae1
- Rule of Saint Benedict1
- Saint Dominic1
- Sayings1
- Scale of perfection1
- School miscellany1
- Seneca's tragedies1
- Sententiarum libri1
- Sermones ad heremitas1
- Sermones de tempore1
- Sermones de tempore et de sanctis1
- Sibylline oracles1
- Silk purse with manuscript waste1
- Soliloquies1
- Sonectorum et cantilenarum liber; Triumphorum liber ... [etc.1
- Speculum judiciale1
- Speeches1
- Splendor paternae gloriae1