WIA FC/1899/13/53 | Warburg, Mary to Warburg, Charlotte 12/07/1899 | on 08/07/1899 they had a meal with Malice [Max and Alice Warburg] at Kösterberg, they celebrated... |
WIA FC/1899/13/69 | Warburg, Charlotte and Warburg, Moritz to Warburg, Aby and Warburg, Mary 04/12/1899 | Charlotte is very happy to read that Warburg is finding material for his research in the archive... |
WIA FC/1900/7/15 | Warburg, Charlotte to Warburg, Aby and Warburg, Mary 11/02/1900 | Oscar E. Warburg had to go to Berlin as his uncle Löwenherz has died; Oscar visited Fritz Warburg... |
WIA FC/1900/7/39 | Warburg, Moritz to Warburg, Aby 13/05/1900 | Mary and Marietta visited him on 11/05/1900; Marietta is very sweet, clever, well-behaved; hopes... |
WIA FC/1900/7/48 | Warburg Charlotte and Warburg, Moritz to Warburg, Aby 10/06/1900 | Moritz sends birthday greetings; informs him that his birthday present will come in the form of a... |