Columbia subject headings:
Dionysius, the Areopagite, Saint, active 1st century.
Harvard subject headings:
Christianity--Philosophy--History
Dionysius, the Areopagite, Saint, active 1st century.
Neoplatonism.
Philosophy and religion--History.
Princeton subject headings:
Christianity--Philosophy--History.
Dionysius, the Areopagite, Saint, active 1st century.
Neoplatonism.
Philosophy and religion--History.