Columbia subject headings:
Proverbs, Syriac--Translations into English.
Harvard subject headings:
Asceticism--Early works to 1800.
Isaac, Bishop of Nineveh, active 7th century
Mysticism--Church of the East
Orthodox Eastern Church--Doctrines.
Proverbs, Syriac--Translations into English.
Spiritual life--Early works to 1800
Princeton subject headings: