WIA GC/1908/103 | Driesch, Hans to Warburg, Aby 04/08/1908 | thanks for a copy of his latest publication |
WIA GC/1909/306 | Kiesselbach, Wilhelm to Warburg, Aby 15/01/1909 | requests an appointment [to discuss Hans Driesch who wants to get a post in Hamburg] |
WIA GC/1917/144 | Driesch, Margarete to Warburg, Mary 24/02/1917 | on the qualifications of her husband, the philosopher Hans Driesch, to be appointed to a... |
WIA GC/1917/74 | Boll, Franz to Warburg, Aby 24/03/1917 | apologizes for late reply; is very sorry that Warburg is not feeling well; everybody lives under... |
WIA GC/1923/93 | Doren, Alfred to Warburg, Aby 15/04/1923 | apologizes for late reply; he is very busy at the beginning of the semester; he was very happy... |