Columbia subject headings:
Philosophers--Germany.
Philosophical anthropology.
Plessner, Helmuth, 1892-1985.
Harvard subject headings:
Philosophers--Germany
Philosophical anthropology.
Plessner, Helmuth, 1892-
Plessner, Helmuth, 1892-1985
Princeton subject headings:
Philosophical anthropology--History--20th century.
Plessner, Helmuth, 1892-1985.