Columbia subject headings:
Gehlen, Arnold, 1904-1976.
Humanitarianism.
Nietzsche, Friedrich Wilhelm, 1844-1900.
Scheler, Max, 1874-1928.
Harvard subject headings:
Gehlen, Arnold, 1904-1976--Contributions in concept of humanitarianism.
Humanitarianism--History.
Nietzsche, Friedrich Wilhelm, 1844-1900--Contributions in concept of humanitarianism.
Scheler, Max, 1874-1928--Contributions in concept of humanitarianism.
Princeton subject headings:
Gehlen, Arnold, 1904-1976.
Humanitarianism.
Nietzsche, Friedrich Wilhelm, 1844-1900.
Scheler, Max, 1874-1928.