Columbia subject headings:
Harvard subject headings:
Church and state--Catholic Church--History
Church and state--Rome--History
Church history--Primitive and early church, ca. 30-600
Nonviolence--Religious aspects--Christianity
Peace--Religious aspects--Christianity--History.
Violence in the Bible.
War--Religious aspects--Christianity--History.
Princeton subject headings:
Church and state--Catholic Church--History.
Church and state--Rome--History.
Church history--Primitive and early church, ca. 30-600.
Nonviolence--Religious aspects--Christianity.
Peace--Religious aspects--Christianity--History.
Violence in the Bible.
War--Religious aspects--Christianity--History.