1. University of Pennsylvania, Oversize LJS 478 DS ID: DS715 Title: Kitāb fī istīʻāb al-wujūh al-mumkinah fī ṣanʻat al-asṭurlāb Author: Al-Biruni Date: A.H. 625 (1228)
2. Columbia University Rare Book & Manuscript Library, MS Or 462 DS ID: DS6658 Title: On accounting and commissions Place: Iran Date: 1575-1824.