Most Popular Books
- The Apocalypse in the Harklean Version. a Facsimile Edition of Ms. Mardin Orth. 35, Fol. 143r-159v, with an Introduction. Subs. 56.
- History of Asceticism in the Syrian Orient. a Contribution to the History of Culture in the Near East, II. Early Monasticism in Mesopotamia and Syria.
- The Didascalia Apostolorum in Syriac, II. Syr. 179.
- The Didascalia Apostolorum in Syriac, II: V.
- History of Asceticism in the Syrian Orient. a Contribution to the History of Culture in the Near East, III