WIA FC/1906/2/1 | Modersohn, Otto to Warburg, Aby 04/09/1906 | Modersohn's wife is in Paris, Modersohn's sister-in-law Milly [Bianca Emilie Rohland-Becker] is... |
WIA FC/1915/3/43 | Warburg, Mary to Warburg, Aby 17/09/1915 | she is writing sitting at Mrs. Becker's [Bianca Emilie Rohland-Becker, known as 'Milly'] desk... |
WIA GC/1910/501 | Rohland-Becker, Bianca Emilie to Warburg, Mary 10/01/1910 | he fourth child was a son; she is very busy with four children under three years of age; admires... |
WIA GC/1911/643 | Rohland-Becker, Bianca Emilie to Warburg, Mary 15/09/1911 | thanks her overenthusiastically for her letter; Mary and Milly are special women; thanks her for... |
WIA GC/1922/10 | Becker, Mathilde to Warburg, Aby 22/06/1922 | birthday greetings from her and [Marietta Warburg]; praises Detta's [Marietta Warburg's... |