Columbia subject headings:
Church and state--Rome.
Church history--Primitive and early church, ca. 30-600.
Gregory, of Nazianzus, Saint.
Istanbul (Turkey)--Church history.
Rome--History--Theodosius I, the Great, 379-395.
Theodosius I, Emperor of Rome, 347-395.
Harvard subject headings:
Church and state--Rome.
Church history--Primitive and early church, ca. 30-600
Gregory, of Nazianzus, Saint
Istanbul (Turkey)--Church history.
Rome--History--Theodosius I, the Great, 379-395.
Theodosius I, Emperor of Rome, 347-395.
Princeton subject headings: