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"Geschichte der Philosophie von Thomas von Aquino bis Kant" ["History of Philosophy from Thomas Aquinas to Kant"]
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"Grundbegriffe der antiken Philosophie" ["Basic Concepts of Ancient Philosophy"]
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"Die Philosophie des Aristoteles" ["The Philosophy of Aristotle "]
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"Die Sprache" ["The Language"]
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"Bauen, Wohnen, Denken" ["Building, Dwelling, Thinking"], undated
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"Descartes", t.ms. [in English], t.ms., 1926-1927
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"Vom Ursprung des Kunstwerks" ["From the origin of the work of art"], t.ms., 1935
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"Vom Wesen der Wahrheit" ["On the essence of truth"], t.ms., 1943