WIA GC/1907/580 | Petersen, Marguerite; Magnus, Dora to Warburg, Aby 15/11/1907 | greetings |
WIA GC/1914/687 | Warburg, Aby to Petersen, Marguerite 09/07/1914 | he cannot support her charity as he is overcommitted already; suggests that she approaches his... |
WIA GC/1915/632 | Petersen, Marguerite to Warburg, Aby 18/08/1915 [?] | forwards a list [no longer extant] and requests Warburg to mark items; wants to borrow three... |
WIA GC/1924/812 | Warburg, Aby to Petersen, Carl Wilhelm and Petersen, Marguerite 20/08/1924 | on the righthand side of the postcard: Warburg sends greetings to the mayor Senator and Mrs... |
WIA GC/1924/815 | Petersen, Marguerite to Warburg, Aby 12/06/1924 | sends birthday greetings; she saw Mary Warburg at the Professor Emil Wolff lecture in the... |