1. Columbia University Rare Book & Manuscript Library, MS Or 287 DS ID: DS6577 Title: De sphaericis Author: Theodosius of Bithynia Place: Tabriz Date: 1895.
2. Princeton University, Islamic Manuscripts Third Series no. 255 DS ID: DS14094 Title: Īsāghūjī Author: Athīr al-Dīn al-Abharī Date: 1860