This work is a catalogue of 38 Arabic and Syriac manuscripts found in the Syrian Orthodox Monastery of St. Mark in Jerusalem; contains liturgical and literary works.

Georg Graf publishes here an edited Arabic text and German translation of a “Treatise on the Eucharist” attributed to Abu l-Hasan al-Muhtar ibn Butlan. Graf supplements the text with an introduction and brief notes.

Georg Graf publishes here the Arabic text and German translation of a “protocol report” by Cyril ibn Laklak, an important historical source for the study of the life of Cyril and for the history of Egyptian bishops.

Georg Graf publishes a German translation, accompanied by translation notes, of an Arabic poenitentiale text that is a collection of previous material. Graf also provides an introduction to the text in which he discusses source materials and their relationship.