1. Add MS 23570/3 Reference (shelfmark): Add MS 23570/3 Title: Kitāb al-ukar li-Thāwudhūsiyūs Scope & Content: Author: Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad, 1201-1274 VIAF ID: 12392936 Subject: Mathematics, Arab--Early works to 1800 Collection Area: Oriental Manuscripts Languages: Arabic Date Range: 1014 Extent: 1 item