Columbia subject headings:
Bible. Gospels. Syriac--Criticism, Textual.
Bible. Gospels. Syriac--Versions.
Harvard subject headings:
Bible. Gospels--Manuscripts, Syriac.
Bible. Gospels. Syriac--Criticism, Textual.
Princeton subject headings:
Bible. New Testament. Gospels. Syriac--Versions.