F. J. Ragep

• Water in the Middle East
• Water in the Middle East
• Cosmography in the Tadhkira of Naṣīr al-Dīn al-Ṭūsī
• Naṣīr Al-Dīn Al-Ṭūsī's Memoir on Astronomy : Volume I
• Nasir Al-Din Al-Tusi's Memoir on Astronomy =