Columbia subject headings:
Catholic Church--Doctrines--History.
Richard Rufus, of Cornwall, -approximately 1260.
Theology, Doctrinal--History--Middle Ages, 600-1500.
Harvard subject headings:
Catholic Church--Doctrines--History.
Richard Rufus, of Cornwall, -approximately 1260.
Theology, Doctrinal--History--Middle Ages, 600-1500.
Princeton subject headings:
Catholic Church--Doctrines--History.
Richard Rufus, of Cornwall, -approximately 1260.
Theology, Doctrinal--History--Middle Ages, 600-1500.