Columbia subject headings:
Imaginary conversations.
Marx, Karl, 1818-1883.
Nietzsche, Friedrich Wilhelm, 1844-1900.
Harvard subject headings:
Imaginary conversations.
Marx, Karl, 1818-1883
Nietzsche, Friedrich Wilhelm, 1844-1900
Princeton subject headings:
Imaginary conversations.
Marx, Karl, 1818-1883.
Nietzsche, Friedrich Wilhelm, 1844-1900.