Columbia subject headings:
Harvard subject headings:
Alexandria (Egypt)--Church history.
Arianism.
Christianity and culture--History--Early church, ca. 30-600.
Church and state--Rome.
Church controversies--Egypt--Alexandria.
Church controversies--Turkey--Istanbul.
Istanbul (Turkey)--Church history.
Princeton subject headings:
Alexandria (Egypt)--Church history.
Arianism.
Christianity and culture--History--Early church, ca. 30-600.
Church and state--Rome.
Church controversies--Egypt--Alexandria.
Church controversies--Turkey--Istanbul.
Istanbul (Turkey)--Church history.