Aster, Ernst von
born 18. February 1880 in Berlin; died 22. October 1948 in IstanbulBrief von Ernst von Aster an Hans Vaihinger, 29.11.1920 [29.11.20] [29.11.1920]
Gießen, 29.11.1920 [29.11.20] [29.11.1920]Keyserling, Hermann
born 20. July 1880 in Könno; died 26. April 1946 in InnsbruckBrief von Hermann Keyserling an Hans Vaihinger, 13.04.1920
Friedrichsruh ; Darmstadt, 13.04.1920Brief von Hermann Keyserling an Hans Vaihinger, 04.05.1922
Darmstadt, 04.05.1922Brief von Hermann Keyserling an Hans Vaihinger, 23.09.1922
Darmstadt, 23.09.1922Oesterreich, Traugott Konstantin
born 15. September 1880 in Stettin; died 28. July 1949 in TübingenBrief von Traugott Konstantin Oesterreich an Hans Vaihinger, 21.11.1911
Tübingen, 21.11.1911Spengler, Oswald
born 29. May 1880 in Blankenburg (Harz); died 8. May 1936 in MünchenBrief von Oswald Spengler an Hans Vaihinger, 18.09.1922 [18.9.22]
München, 18.09.1922 [18.9.22]