- Processionals (Service books)1
- Prophets in the Qurʼan1
- Prophets, Pre-Islamic1
- Psychology1
- Quotations1
- Raimundus1
- Ramiro II, King of Leon, -9511
- Rebacking1
- Receipts (Acknowledgments)1
- Records and correspondence1
- Regiomontanus, Joannes, 1436-1476. Calendarium1
- Revelation on Sinai1
- Revolutions1
- Riddles, Persian1
- Riz̤ā-ʼi ʻAbbāsī, Āqā, approximately 1570-1635?1
- Romances, Italian1
- Ropshitser, Naphtali Ẓevi, 1760-18271
- Rueda family1
- Rueda, Baltasar de, active 1553-15691
- Rueda, Bernardino de, active 1553-15691