Title
- Ratification1
- Rationale divinorum officiorum1
- Registrum Gregorii1
- Registrum epistolarum1
- Regula monachorum1
- Religious text1
- Roman law1
- Rule of Jesuati of San Giusto alle mura1
- Saint Dominic1
- Sayings1
- Scroll of Esther1
- Selections1
- Seneca's tragedies1
- Sententiarum libri1
- Sermones de tempore1
- Sermones de tempore et de sanctis1
- Shesh kenafayim1
- Sibylline oracles1
- Silk purse with manuscript waste1
- Speculum judiciale1