HISTORY - Hermann von Keyserling (Konnu, 1880 - Innsbruck, 1946) - Typed letter signed

Hermann von Keyserling (Konnu, 1880 - Innsbruck, 1946)Typed letter signed "Cte Henri de Keyserling" dated "Le dix mai 1933" by the German philosopher, member of the noble Westphalian family. Keyserling writes to the director of La Revue Hebdomadaire Robert de Saint-Jean (1901-1987), thanking him for his help and asking him for a favor to get the public’s attention on his conferences. 1 p. In-4°, with letterhead.