WIA FC/1908/4/6 | Warburg, Charlotte; Warburg, Moritz, Warburg, Anna Beata to Warburg, Aby and Warburg, Mary 12/06... | Charlotte thanks them for their greetings, wishes, congratulations on their 44th wedding... |
WIA FC/1908/5/1 | Warburg, Felix to Warburg, Aby 03/06/1908 | sends birthday greetings; wonders whether Warburg has sent him a letter about the Hertz family... |
WIA FC/1909/4/2 | Warburg, Felix to Warburg, Aby and Warburg, Mary 10/12/1909 | thanks Mary for her letter; hopes that everybody is well; agrees with suggestions about support... |
WIA FC/1919/4/1 | Warburg, Frieda to Warburg, Mary 01/08/1919 | Paul [Warburg] will travel to Germany as their messenger; he will tell them how often they... |
WIA FC/1921/1/153 | Warburg, Mary to Warburg, Aby 31/03/1921 | thanks for letters; replies to his question [about conversation in train carriage in 1898... |