Columbia subject headings:
Aristotle.
Heidegger, Martin, 1889-1976.
Metaphysics.
Ontology.
Harvard subject headings:
Aristotle
Heidegger, Martin, 1889-1976
Metaphysics
Ontology.
Princeton subject headings:
Aristotle.
Heidegger, Martin, 1889-1976.
Metaphysics.
Ontology.