Columbia subject headings:
Heidegger, Martin, 1889-1976. Ontologie. English.
Ontology.
Thomas, Aquinas, Saint, 1225?-1274.
Harvard subject headings:
Heidegger, Martin, 1889-1976
Heidegger, Martin, 1889-1976--Contributions in ontology.
Ontology--History.
Thomas, Aquinas, Saint, 1225?-1274
Thomas, Aquinas, Saint, 1225?-1274--Contributions in ontology.
Princeton subject headings:
Heidegger, Martin, 1889-1976.
Ontology--History.
Thomas, Aquinas, Saint, 1225?-1274.