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]Drews, Arthur
born 1. November 1865 in Uetersen; died 19. July 1935 in AchernBrief von Arthur Drews an Hans Vaihinger, 04.12.1897 [04.12.1897]
Karlsruhe, 04.12.1897 [04.12.1897]Brief von Arthur Drews an Hans Vaihinger, 23.01.1931
Karlsruhe, 23.01.1931