WIA FC/1906/5/48 | Warburg, Aby to Warburg, Mary 16/07/1906 | he read manuscripts in the mornings, but had to stop because of headaches; the weather is fine... |
WIA FC/1906/6/4 | Warburg, Moritz and Warburg, Charlotte to Warburg, Aby and Warburg, Mary 29/03/1906 | Moritz thanks them for letters; is pleased to read that [Aby and Mary] Warburg were received... |
WIA FC/1906/6/7 | Warburg, Charlotte to Warburg, Aby 08/05/1906 | she is getting better although Dr. [Max von der] Porten asks her to rest before going to Karlsbad... |
WIA FC/1907/10/9 | Warburg, Paul to Warburg, Aby and Warburg, Mary 11/08/1907 | thanks them for wishes on his birthday, 10/08/1907 and on the birthday of Jim [James Loeb, born... |
WIA FC/1907/6/9 | Warburg, Charlotte to Warburg, Aby and Warburg, Mary 12/08/1907 | the weather is getting better; the birthday party for Jim [James Loeb] and Paul [Warburg] on 10... |