Description: Huizinga, Johan. Homo ludens : proeve eener bepaling van het spel-element der cultuur. Haarlem: H. D. Tjeenk Willink, 1940.
Source: Philosophy of Nature, GV14 .H61 1940
Description: Russell, Bertrand. Mysticism and logic. New York: W. W. Norton and Company, 1929.
Source: Philosophy of Nature, B1649 R8 M9 1929
![Benda, Julien. La Trahison des Clercs [The Betrayal of the Intellect]. From Printing and the Mind of Man, Paris: Grasset, 1927.](images/HM213.B47-600w.jpg "Benda, Julien. La Trahison des Clercs [The Betrayal of the Intellect]. From Printing and the Mind of Man, Paris: Grasset, 1927.")
Description: Benda, Julien. La Trahison des Clercs [The Betrayal of the Intellect]. From Printing and the Mind of Man, Paris: Grasset, 1927.
Source: Philosophy of Nature, HM213 .B47
![Signature of Julien Benda. As included in La Trahison des Clercs [The Betrayal of the Intellect]. From Printing and the Mind of Man, Paris: Grasset, 1927.](images/HM213.B47-signature-600w.jpg "Signature of Julien Benda. As included in La Trahison des Clercs [The Betrayal of the Intellect]. From Printing and the Mind of Man, Paris: Grasset, 1927.")
Description: Signature of Julien Benda. As included in La Trahison des Clercs [The Betrayal of the Intellect]. From Printing and the Mind of Man, Paris: Grasset, 1927.
Source: Philosophy of Nature, HM213 .B47
Description: McTaggart, John McTaggart Ellis. The Nature of Existence. Cambridge, England: The University Press, 1921-1927.
Source: Philosophy of Nature, BD331 .M2 1921
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