WIA GC/22314 | Warburg, Aby to Derenberg, Louise 09/11/1928 | congratulates her son Walter for having passed his Law exams so well; is pleased that he is going... |
WIA GC/22434 | Warburg, Max to Warburg, Aby 26/10/1928 | counters Warburg's complaints that his brothers do not reply to his letters; calls them... |