The Catholicos of the East and His People (1892)

Grammar of the Dialects of Vernacular Syriac: As Spoken by the Eastern Syrians of Kurdistan, North-West Persia and the Plain of Mosul

Grammar of the Dialects of the Vernacular Syriac: As Spoken by the Eastern Syrians of Kurdistan, North-West Persia and the Plain of Mosul, with Notices of the Vernacular of the Jews of Azerbijan and of Zakhu Near Mosul

A Dictionary of the Dialects of Vernacular Syriac, as Spoken by the Eastern Syrians of Kurdistan North-West Persia, and the Plain of Mosul: With Illustrations from the Dialects of the Jews of Zakhu and Azerbaijan, and of the Western Syrians of Tur'abdin a

Recent Discoveries Illustrating Early Christian Life and Worship: Three Lectures Delivered in the Chapter House of St. Mary's Cathedral, Edinburgh