Abderhalden, Emil
born 9. March 1877 in Oberuzwil; died 5. August 1950 in ZürichBrief von Emil Abderhalden an Hans Vaihinger, 07.08.1924 [07.08.1924]
Halle (Saale), 07.08.1924 [07.08.1924]Avenarius, Richard
born 19. November 1843 in Paris; died 18. August 1896 in ZürichBrief von Richard Avenarius an Hans Vaihinger, 16.04.1876 [16.04.1876]
Leipzig, 16.04.1876 [16.04.1876]Brief von Richard Avenarius an Hans Vaihinger, 09.06.1876 [09.06.1876]
Leipzig, 09.06.1876 [09.06.1876]Brief von Richard Avenarius an Hans Vaihinger, 22.07.1876 [22.07.1876]
Leipzig, 22.07.1876 [22.07.1876]