WIA GC/1905/15 | Becker, Mathilde to Warburg, Aby 06/04/1905 | she is forwarding all mail to her friend [A. von der] Osten; confesses that she opened Warburg's... |
WIA GC/1905/16 | Becker, Mathilde to Warburg, Aby and Warburg, Mary 14/06/1905 | apologizes for late reply, she was ill; she enjoyed having [Aby Warburg and Mary Warburg] with... |
WIA GC/1905/17 | Becker, Mathilde to Warburg, Mary 20/08/1905 | forwards a letter by Paula [Modersohn-Becker], an invitation to [Aby and Mary] Warburg to visit... |
WIA GC/1907/21 | Becker, Mathilde to Warburg, Mary 07/09/1907 | thanks her and her husband most warmly for the Sassetti essay |
WIA GC/1910/34 | Becker, Mathilde to Warburg, Mary 04/09/1910 | 'our Rohlands' [her daughter Bianca Emilie Rohland-Becker, know as 'Milly; and son-in-law... |