Columbia subject headings:
Accidents (Philosophy)
Metaphysics.
Ontology.
Thomas, Aquinas, Saint, 1225?-1274.
Harvard subject headings:
Accidents (Philosophy)
Ontology.
Thomas, Aquinas, Saint, 1225?-1274
Thomas, Aquinas, Saint, 1225?-1274--Contributions in metaphysics.
Princeton subject headings:
Accidents (Philosophy)
Ontology.
Thomas, Aquinas, Saint, 1225?-1274--Contributions in metaphysics.