WIA FC/1908/3/36 | Warburg, Aby to Warburg, Mary 06/07/1908 | the previous evening he spent with [Gustaf F.] Steffen at Kösterberg; with Max [Warburg] were... |
WIA FC/1908/3/39 | Warburg, Mary to Warburg, Aby 08/07/1908 | is pleased for Warburg having had Gustaf F. Steffen as visitor and having organised a dinner... |
WIA FC/1908/4/12 | Warburg, Moritz and Charlotte to Warburg, Aby 28/10/1908 | Moritz is pleased to read that Warburg is well and Mary is getting better; everything is fine in... |
WIA FC/1912/11/8 | Warburg, Max to Warburg, Aby 25/03/1912 | reports on the suggestions of endowments for university chairs, scholarships etc. he made in the... |
WIA FC/1915/3/6 | Warburg, Mary to Warburg, Aby 30/01/1915 | thanks him for his cable from Florence; hopes that the train journey went well and that the room... |