Columbia subject headings:
Councils and synods--History.
Jesus Christ--History of doctrines--Early church, ca. 30-600.
Trinity--History of doctrines--Early church, ca. 30-600.
Harvard subject headings:
Councils and synods--History.
Jesus Christ--History of doctrines--Early church, ca. 30-600.
Trinity--History of doctrines--Early church, ca. 30-600.
Princeton subject headings: