Title
- Registro del peage d'Arle1
- Registrum ordinis Cysterciensis1
- Religious text1
- Rhetoric text1
- Rhetorica ad Herennium1
- Risālah fī al-hayʼah al-falakīyah1
- Risālah fī ʻilm al-hayʼah1
- Roman de la rose1
- Rules1
- Sacramentary1
- Schedule of tariffs1
- Scientific texts1
- Scritture dell'Arrigucci1
- Sentencia contra el Almine1
- Sharakan1
- Sharḥ-i Zīj Gūrgānī1
- Sphaera mundi1
- Statements from the Council of Basel1
- Statutes1
- Summa1