Columbia subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831.
Marcuse, Herbert, 1898-1979.
Technology and civilization.
Harvard subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831
Marcuse, Herbert, 1898-1979
Technology and civilization.
Princeton subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831.
Marcuse, Herbert, 1898-1979.
Technology and civilization.