- Qurʼan. Sūrat Āl ʻImrān1
- Quṭb al-Taḥtānī, Muḥammad ibn Muḥammad, 1294 or 1295-1364 or 1365. Lawāmiʻ al-asrār1
- Qānūn fī al-ṭibb (Avicenna)1
- Rainbows1
- Ranieri, Ciato di1
- Rawḍat al-nāẓir wa-jannat al-munāẓir (Ibn Qudāmah, Muwaffaq al-Dīn ʻAbd Allāh ibn Aḥmad)1
- Receipts (Acknowledgments)1
- Recitations1
- Religious life1
- Repentance1
- Revelation on Sinai1
- Riccomanni, Jacopo1
- Riccomanni, Maria1
- Riccomanni, Simone1
- Roman law--Interpretation and construction1
- Rome (Empire)1
- Rosselmini, Giovanni1
- Rosselmini, Gregorio Tommaso1
- Rāfiʻī, ʻAbd al-Karīm ibn Muḥammad, 1162-1226. ʻAzīz ʻalá al-Wajīz1
- SS. Trinità e S. Michele Arcangelo di Brondolo (Monastery)1