1. Add MS 23403 f 224r-v Reference (shelfmark): Add MS 23403 f 224r-v Title: Risālah wujūd al-jawhar Scope & Content: Author: Avicenna, 980-1037 VIAF ID: 89770781 Subject: Islamic philosophy Collection Area: Oriental Manuscripts Languages: Arabic Date Range: 1019 Extent: 1 item, 1 f