WIA GC 1933/3239 | Bing, Gertrud to Derenberg, Louise 12/07/1933 | |
WIA GC/10588 | Warburg, Aby to Warburg, Mary 15/08/1905 | thanks her for photographs of their children; she showed them to Mr. [Henri] and Mrs. Hymans... |
WIA GC/17376 | Derenberg, Louise; Derenberg, Julius; Derenberg, Walter and Derenberg, Carl Julius to Warburg... | Louise sends birthday greetings; is sure that the new library building and events like Cassirer's... |
WIA GC/20023 | Derenberg, Louise to Warburg, Aby 06/08/1928 | Mrs. Cassirer informed her that her husband will stay in Hamburg; congratulates Warburg on this... |
WIA GC/20324 | Heise, Carl Georg to Warburg, Aby 13/06/1928 | he enjoyed his meeting with Warburg; next time he will take his wife with him; repeats his... |