- Qūshjī, ʻAlī ibn Muḥammad, -1474 or 1475. Risālah fī al-hayʼah1
- Real property1
- Recipes1
- Religious calendars1
- Religious life--Islam1
- Rithmomachia (Game)1
- Rucellai, Cosimo,--1495-15191
- Rāṭhī, Dāmodaradāsa, 17th century. Sāṃgītadarpaṇa1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah fī al-istiʻarāt1
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Ashkāl al-taʼsīs1
- Sanskrit language--Grammar1
- Sanskrit language--Rhetoric1
- Sanskrit literature1
- Sanskrit poetry1
- Scholasticism1
- Science, Medieval1
- Scrolls (information artifacts)1
- Sexual disorders1
- Shafiites1
- Shams Maghribī, Muḥammad Shīrīn, 1349?-1406 or 1407. Jām-i Jahānʹnumā1