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Start Over You searched for: Holding Institution Columbia University Rare Book & Manuscript Library ✖ Remove constraint Holding Institution: Columbia University Rare Book & Manuscript Library Scribe ʻUmar ibn Muḥammad Saʻīrī ✖ Remove constraint Scribe: ʻUmar ibn Muḥammad Saʻīrī Keywords Astronomy, Arab ✖ Remove constraint Keywords: Astronomy, Arab