1. Delhi Arabic 1919/a Reference (shelfmark): Delhi Arabic 1919/a Title: Risālah fī sabab ẓuhūr al-kawākib laylan wa-khafāʾihā nahāran Scope & Content: Author: Abū al-Barakāt Hibat Allāh ibn ʻAlī, active 1077-1164 VIAF ID: 57018301 Subject: Astronomy, Arab--Early works to 1800 Collection Area: Oriental Manuscripts Languages: Arabic Date Range: 17th century Extent: 1 item