Columbia subject headings:
Ethics.
Lévinas, Emmanuel--Congresses.
Ontology.
Harvard subject headings:
Lévinas, Emmanuel--Contributions in ethics--Congresses.
Lévinas, Emmanuel--Contributions in ontology--Congresses.
Princeton subject headings:
Lévinas, Emmanuel--Contributions in ethics--Congresses.
Lévinas, Emmanuel--Contributions in ontology--Congresses.