Avenarius, Ferdinand
born 20. December 1856 in Berlin; died 22. September 1923 in Kampen (Sylt)Brief von Ferdinand Avenarius an Hans Vaihinger, 28.10.1916 [28.10.1916]
Dresden-Blasewitz, 28.10.1916 [28.10.1916]Deusdado, Manuel Antonio Ferreira
born 1858 in Rio Frio; died 1918 in LissabonBrief von Manuel Antonio Ferreira Deusdado an Hans Vaihinger, 17.02.1898 [17.02.1898]
Lissabon, 17.02.1898 [17.02.1898]Weichberger, Konrad
born 10. February 1877 in Weimar; died 15. July 1948 in Weimar