WIA FC/1897/11/157 | Warburg, Aby to Hertz, Mary 20/08/1897 | how does she like his new monogram?; the previous evening, Warburg, Paul Ruben, A. von der Osten... |
WIA FC/1912/4/50 | Warburg, Aby to Warburg, Mary 09/10/1912 | the train journey was very comfortable; the train arrived late, but [Wilhelm] Printz met him; in... |
WIA FC/1912/4/52 | Warburg, Aby to Warburg, Mary 10/10/1912 | apologizes for the official stationery, but send her personal birthday greetings; it is a pity... |
WIA FC/1912/4/57 | Warburg, Aby to Warburg, Mary 14/10/1912 | thanks her for letter and for Detta's [Marietta Warburg's] letter; the previous evening he... |
WIA FC/1912/4/73 | Warburg, Aby to Warburg, Mary 22/10/1912 | Haseloff and Warburg had thought about the composition of the next committee: [H] Lemonnier... |