Columbia subject headings:
Harvard subject headings:
Metaphysics--Congresses
Mysticism--Congresses
Ontology--Congresses.
Philosophical anthropology--Congresses.
Postmodernism--Congresses.
Princeton subject headings:
Metaphysics--Congresses.
Mysticism--Congresses.
Ontology--Congresses.
Philosophical anthropology--Congresses.
Postmodernism--Congresses.