1. Delhi Arabic 361 Reference (shelfmark): Delhi Arabic 361 Title: al-Sirr al-makhzūn wa-al-durr al-maṣūn Scope & Content: Author: Bisṭāmī, ʻAbd al-Raḥmān ibn Muḥammad, approximately 1380-1454 VIAF ID: 90054160 Subject: Islam and science Collection Area: Oriental Manuscripts Languages: Arabic Date Range: 17th century Extent: 1 item