Author
- Qāsim ibn Yūsuf Abū Naṣrī Haravī1
- Ranieri Farnese1
- Rashe Menaḥem be Yehoshuʻa, ha-Golah1
- Rasūl ibn Ṣāliḥ Āydīnī1
- Razi al-Din ibn al-Hanbali1
- Regiomontanus1
- Republic of Venice1
- Revanî1
- Richard Brooke1
- Richard Carmarden1
- Richard Robinson1
- Richard Ward1
- Robert Fabyan1
- Rodolfo Pio da Carpi1
- Roger Alban1
- Roman Catholic Archdiocese of Siena1
- Royal Chancellery of Granada1
- Saadi1
- Safi al-Din al-Urmawi1
- Salomon Trismosin1