Columbia subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831.
Life.
Plessner, Helmuth, 1892-1985.
Harvard subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831
Life
Plessner, Helmuth, 1892-1985
Princeton subject headings:
Hegel, Georg Wilhelm Friedrich, 1770-1831.
Life.
Plessner, Helmuth, 1892-1985.