Author
- Reza-Qoli Khan Hedayat1
- Ricardus, de Mediavilla, approximately 1249-1308?1
- Richard Bolter1
- Richard Brooke1
- Richard Burdet1
- Richard Carmarden1
- Richard Fishacre1
- Richard II of England1
- Richard Maidstone1
- Richard Nykke1
- Richard Robinson1
- Richard Rolle5
- Richard Treby1
- Richard Ward1
- Richard de Fournival1
- Richard de Geveldale1
- Richard de Saint-Laurent2
- Richard of Middleton2
- Richard of Saint Victor4
- Rifāʾī, Muḥammad ibn ʻAlwān1