Columbia subject headings:
Church history--Chronology.
History, Ancient--Chronology.
History--Religious aspects--Christianity--History of doctrines--Early church, ca. 30-600.
Time--Religious aspects--Christianity.
Harvard subject headings:
Church history--Chronology
History, Ancient--Chronology
History--Religious aspects--Christianity--History of doctrines--Early church, ca. 30-600.
Time--Religious aspects--Christianity.
Princeton subject headings:
Church history--Chronology.
History, Ancient--Chronology.
History--Religious aspects--Christianity--History of doctrines--Early church, ca. 30-600.
Time--Religious aspects--Christianity.