Columbia subject headings:
Eckhart, Meister, -1327.
Heidegger, Martin, 1889-1976.
Technology--Philosophy.
Harvard subject headings:
Eckhart, Meister, -1327
Heidegger, Martin, 1889-1976
Technology--Philosophy
Princeton subject headings:
Eckhart, Meister, -1327.
Heidegger, Martin, 1889-1976.
Technology--Philosophy.