Keywords
- Rasāʼil (Ikhwān al-Ṣafāʼ)1
- Religious life--Islam1
- Rithmomachia (Game)1
- Rucellai, Cosimo, 1495-15191
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Ashkāl al-taʼsīs1
- Scholasticism1
- Sharḥ al-ʻAqāʼid al-ʻAḍudīyah (Dawwānī, Muḥammad ibn Asʻad)1
- Shīʻah--Doctrines1
- Sources1
- Sphaera mundi (Sacro Bosco, Joannes de)1
- Sufism1
- Sundials1
- Tables1
- Tables (Data)1
- Tajrīd al-iʻtiqād (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)1
- Technology1
- Theoricae novae planetarum (Peurbach, Georg von)1
- Time measurements1
- Travel1
- Universals (Philosophy)1