Arthur John Maclean was an Anglican bishop in the later decades of the 19th century and first four of the 20th century.
Maclean was born into an ecclesiastical family. Wikipedia
Born: July 6, 1858, Bath, United Kingdom
Died: February 24, 1943 (age 84 years), Inverness, United Kingdom
Church: Scottish Episcopal Church
Books
The Ancient Church Orders - Scholar's Choice Edition
Grammar of the Dialects of 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 Azerbaijan and of Zakhu Near Mosul
1895
A Dictionary of the Dialects of Vernacular Syriac: As Spoken by the Eastern Syrians of Kurdistan, Northwest 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
Dictionary of the Dialects of Vernacular Syriac
1901
The Ancient Church Orders
1910
Grammar of the Dialects of Vernacular Synac: As Spoken by the Eastern Syrians of Kurdistan