Columbia subject headings:
Harvard subject headings:
Neoplatonism--Congresses.
Neoplatonism--History--Congresses.
Neoplatonism--Influence--Congresses.
Philosophy, Ancient--Congresses.
Platonists--Congresses.
Plotinus--Congresses.
Princeton subject headings:
Neoplatonism--Congresses.
Philosophy, Ancient--Congresses.