Richarz, Franz
born 15. October 1860 in Endenich; died 10. June 1920 in MarburgBrief von Franz Richarz an Adolf Erman
Bagdad, 09.03.1899Ritschl, Otto
born 26. June 1860 in Bonn; died 28. September 1944 in BonnBrief von Otto Ritschl an Hans Vaihinger, 18.04.1886
Halle (Saale), 18.04.1886Brief von Otto Ritschl an Hans Vaihinger, 09.05.1896
Bonn, 09.05.1896Brief von Otto Ritschl an Hans Vaihinger, 10.12.1897
Bonn, 10.12.1897