WIA FC/1906/12/14 | Warburg, Alice to Warburg, Mary 01/04/1906 | thanks her for letter; the children are well, Warburg does not need to worry; Alice visited Mary... |
WIA FC/1911/13/4 | Warburg, Max to Warburg, Aby 20/03/1911 | acknowledges receipt of Warburg's cable, will await his letter with Warburg's reply about... |