Columbia subject headings:
Philosophy and religion--History--To 1500.
Philosophy, Medieval.
Theology, Doctrinal--History--Middle Ages, 600-1500.
Harvard subject headings:
Philosophy and religion--History--To 1500.
Philosophy, Medieval.
Theology, Doctrinal--History--Middle Ages, 600-1500.
Princeton subject headings:
Philosophy and religion--History--To 1500.
Philosophy, Medieval.
Theology, Doctrinal--History--Middle Ages, 600-1500.