1. Or 5572 Reference (shelfmark): Or 5572 Title: 1 copy of Zīj-i Īlkhānī by Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad, 1201-1274 Collection Area: Oriental Manuscripts Languages: Persian Date Range: 1400-1499 Extent: 145 ff