Columbia subject headings:
Education--Philosophy.
Language and education.
Language and languages--Philosophy--History.
Harvard subject headings:
Ballauff, Theodor
Education--Philosophy
Humboldt, Wilhelm von, 1767-1835.
Language and education.
Language and languages--Philosophy
Lyotard, Jean François, 1924-1998.
Nietzsche, Friedrich Wilhelm, 1844-1900
Postmodernism.
Princeton subject headings: