Columbia subject headings:
Augustine, of Hippo, Saint, 354-430.
Erigena, Johannes Scotus, approximately 810-approximately 877.
Harvard subject headings:
Augustine, of Hippo, Saint, 354-430
Erigena, Johannes Scotus, approximately 810-approximately 877.
Philosophy, Medieval.
Princeton subject headings:
Erigena, Johannes Scotus, approximately 810-approximately 877.