Author
- Ranuccio Farnese1
- Republic of Venice1
- Ressani family1
- Richard Ward1
- Robert Beale1
- Robert Cooke1
- Rodrigo de Rueda1
- Roman Catholic Archdiocese of Siena1
- Salmūn ibn ʻAlī Kinānī1
- Sangalletti family1
- Santa Maria degli Alberighi1
- Sebastian Schindler1
- Shams al-Dīn al-Samarqandī1
- Shaykh Tabarsi1
- Shaykh Tusi1
- Shihab al-Din Suhrawardi1
- Shukr Allāh ibn Aḥmad Rūmī1
- Sibt al-Maridini1
- Sibṭ ibn al-ʻAjamī1
- Simone Gondi1