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by Leibniz, Gottfried Wilhelm, Freiherr von; FB Editions
by Leibniz, Gottfried Wilhelm, Freiherr von
by Leibniz, Freiherr Von Gottfried Wilhelm
by Tarde, Gabriel
by Leibniz, Gottfried Wilhelm, Freiherr von; Kohler, Heinrich
by Li, Wenchao
by Freiherr von Gottfried, Wilhelm Leibniz