Köster, Albert
born 7. November 1862 in Hamburg; died 29. May 1924 in LeipzigBrief von Albert Köster an Hans Vaihinger, 24.11.1919
Leipzig, 24.11.1919Külpe, Oswald
born 3. August 1862 in Kandava; died 30. December 1915 in MünchenBrief von Oswald Külpe an Hans Vaihinger, 27.07.1896 [27.07.1896]
Würzburg, 27.07.1896 [27.07.1896]Brief von Oswald Külpe an Hans Vaihinger, 01.04.1897 [01.04.1897]
Würzburg, 01.04.1897 [01.04.1897]Brief von Oswald Külpe an Hans Vaihinger, 20.02.1908 [20.02.1908]
Würzburg, 20.02.1908 [20.02.1908]