Title
- Republic1
- Rime1
- Roman ceremonials1
- Roman de la rose1
- Rubaiyat1
- Rubāʻīyāt-i Shaykh Awḥad al-Dīn Kirmānī1
- Selections1
- Sentences1
- Sharḥ al-Mūjaz fī al-ṭibb1
- Sophologium1
- Specchio di Croce1
- Speculum anime1
- Speculum humanae salvationis1
- Stations of Rome1
- Summa de casibus conscientiae1
- Testament1
- Tetrabiblos1
- Text on adornment1
- Text on government1
- Text on jurisprudence1