1. Add MS 7490/4 Reference (shelfmark): Add MS 7490/4 Title: al-Mudkhal ilá aḥkām al-nujūm Scope & Content: Author: Abū Maʿshar, ?-886 VIAF ID: 17355947 Subject: Islam and science Collection Area: Oriental Manuscripts Languages: Arabic Date Range: 1058 Extent: 1 item