Philosophers-Germany Philosophy, German 6 Heidegger, Martin-Biography 2 Heidegger, Martin-Philosophy 2 Marx, Karl-Biography 2 Marx, Karl-Philosophy 2 Nietzsche, Friedrich Wilhelm-Criticism and interpretation 2 Nietzsche, Friedrich Wilhelm-Philosophy 2 Kant, Immanuel-Criticism and interpretation 1 Kant, Immanuel-Philosophy 1 Leibniz, Gottfried Wilhelm-Biography 1 Leibniz, Gottfried Wilhelm-Criticism and interpretation 1 Marx, Karl-Criticism and interpretation 1 Nietzsche, Friedrich Wilhelm-Biography 1 Philosophy-German 1 Schopenhauer, Arthur-Biography 1 Schopenhauer, Arthur-Criticism and interpretation 1 Schopenhauer, Arthur-Philosophy 1