- Muslim scholars1
- Mysticism--Islam1
- Naqshabandī, Khālid ibn Aḥmad, 1776-18271
- Oaths (Islamic law)1
- Persian language--Grammar1
- Prayer books1
- Prayers1
- Profession of faith (Islam)1
- Qayṣarī, Aḥmad Bahtajī1
- Quadrants (Astronomical instruments)1
- Qurʼan. Sūrat al-Fātiḥah1
- Ramadan1
- Religious life--Islam1
- Riddles, Persian1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah fī al-istiʻārāt1
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. Umm al-barāhīn1
- Satellites--Phases1
- Saudi Arabia--Mecca1
- Shafiites1