1. University of Pennsylvania, Oversize LJS 189 Author: Zayn al-Din Gorgani Place: Persia Date: [between 1300 and 1399?]
2. Columbia University Rare Book & Manuscript Library, MS Or 282 Title: Tarjumah-i kitāb-i Taḥrīr-i Uqlīdus-i dar uṣūl-i handasah va ḥisāb Author: Qutb al-Din al-Shirazi Date: 1378.