WITNESS Risālah fī jadwal al-daqāʾiq_Patna_Khuda Bakhsh Oriental Public Library_NONE (Patna)_2468 Exemplar of Risālah fī jadwal al-daqāʾiq Author أبو نصر منصور بن علي بن عراق الجعدي Abū Naṣr Manṣūr ibn ʿAlī ibn ʿIrāq al-Jaʿdī ismi_id 177284