WIA GC/27254 | Warburg, Moritz to Warburg, Aby [before 15/10/1900] | encloses a newspaper cutting [re Dr. Semmler affair?] [no longer extant]; suggests 'stillborn' as... |
WIA GC/27284 | Warburg, Frieda to Warburg, Mary 03/10/1900 | sends birthday greetings; has been waiting for a letter from Mary; is very sorry about the sudden... |
WIA GC/27285 | Warburg, Felix to Warburg, Mary 03/10/1900 | sends birthday greetings; hopes that his letter reaches her when still in Hamburg; they do not... |
WIA GC/27287 | Warburg, Felix to Warburg, Aby 16/11/1900 | Charlotte Warburg told him that [Aby and Mary] Warburg have moved into a new apartment; sends him... |
WIA GC/27415 | Warburg, Max to Warburg, Aby 16/03/1901 | reminds him of their agreement, to send each other letters at the beginning and the middle of... |