1. Princeton University, Islamic Manuscripts Garrett no. 754H DS ID: DS2930 Title: Kitāb ʻUṣfūrī Author: Muhammad ibn Abi Bakr Place: Turkey Date: 25 R[abīʻah] I 1266 [February 8, 1850
2. Princeton University, Islamic Manuscripts Garrett no. 755H DS ID: DS2931 Title: Kitāb ʻUṣfūrī Author: Muhammad ibn Abi Bakr Date: 15 Rajab 965 [May 13, 1558