Title
- Regla de la Cofradia de Santa Ana1
- Regula monachorum1
- Repertorium juris civilis1
- Roman de la rose1
- Rubaiyat1
- Rubāʻīyāt-i Shaykh Awḥad al-Dīn Kirmānī1
- Rules1
- Ruralia commoda1
- Satires1
- Secretum secretorum1
- Shahnameh1
- Sharḥ shawāhid Mughnī al-labīb1
- Sihah1
- Speculum monachorum1
- Sphaera mundi1
- Statutes1
- Summa de poenitentia et matrimonio1
- Summa logicae1
- Summa theologica1
- Theological texts1