1. Arbaʻūn fī uṣūl al-dīn. Creator: Rāzī, Fakhr al-Dīn Muḥammad ibn ʻUmar, 1149 or 1150-1210 Date: 1700-1799 Language: Arabic Extent: 128 leaves: paper ; 195 x 125 (147 x 80) mm. bound to 195 x 125 mm.