WIA GC/29613 | Hübner, Friedel to Warburg, Mary [September 1921] | thanks her for letter; she has still not found a school for daughter Liesel; son Hansel [Hans] is... |
WIA GC/29614 | Hübner, Friedel to Warburg, Mary [November 1921] | thanks her for a letter which Mary wrote on Friedel's birthday; they are still living in... |
WIA GC/29763 | Hübner, Friedel to Warburg, Mary 15/05/1922 | she is thinking of Mary and her family often, but her life is very hard; Else is helping her with... |
WIA GC/33498 | Warburg, Marietta to Warburg Mary 05/02/1922 | encloses a sheet with a drawing of Marietta's sole [no longer extant]; asks her to buy sandals... |
WIA GC/33503 | Warburg, Mary to Warburg, Marietta 04/03/1922 | she has started making a bust of little Hansel [Hübner]; however, it is difficult as he can only... |