Title
- Riduttione delli sette Salmi penitentiali in sette sonnetti1
- Rime1
- Ritual1
- Roman history1
- Rule of Saint Augustine1
- Scholia1
- Schöne ausgezogne und christliche Gebette1
- Senjas y carta de hidalguia de Diego Ximenes de Ençiso Vizino1
- Sentencia contra el Almine1
- Shesh kenafayim1
- Snaith inquest record1
- Sonectorum et cantilenarum liber; Triumphorum liber ... [etc.1
- Splendor solis1
- Stichoi peri zōōn idiotētos1
- Summa dictaminis1
- Summa theologica1
- Tabula mediorum motuum1
- Tabulae directionum et profectionum1
- Tax adjustment1
- Taxes1