Gregory bar 'Ebroyo, The Book of Rays Manuscript Name: DIYR 00167Link to Digitized Manuscript: Approximate Date: 1738 CECollection: Diyarbakir, Turkey, Meryem Ana Kilisesi (DIYR)Language Tag: SyriacAuthors: Bar Hebraeus [Bar 'Ebroyo]Bar Hebraeus [Bar 'Ebroyo]: The Book of Rays