Columbia subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831.
Heidegger, Martin, 1889-1976.
Truth.
Harvard subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831
Heidegger, Martin, 1889-1976
Metaphysics
Ontology.
Reality.
Princeton subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831.
Heidegger, Martin, 1889-1976.
Truth.