1. Add MS 23403/15 Reference (shelfmark): Add MS 23403/15 Title: Risālah fī ithbāt al-ṣāniʿ Scope & Content: Author: Avicenna, 980-1037 VIAF ID: 89770781 Subject: Islamic philosophy Collection Area: Oriental Manuscripts Languages: Arabic Date Range: 1019 Extent: 1 item