- Philosophy, Ancient1
- Poetry1
- Quadrants (Astronomical instruments)1
- Quotations1
- Qūshjī, ʻAlī ibn Muḥammad, -1474 or 1475. Sharḥ al-Waḍʻīyah1
- Ramadan1
- Reading1
- Religions1
- Religious life--Islam1
- Risālah al-waḍʻīyah (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Rome (Empire)1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah fī al-istiʻārāt1
- Shelf marks1
- Shāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Shīʻah--Doctrines--Sources1
- Sibṭ al-Māridīnī, Badr al-Dīn Muḥammad ibn Muḥammad, 1423- Risālah fī bayān al-ʻamal bi-al-ālah allatī tusammá bi-al-Rubʻ al-mujayyab1
- Sources1
- Sufi poetry, Persian1
- Sufi poetry, Turkish1
- Sufism--Doctrines1