WIA GC/1898/6 | Warburg, Aby to Brockhaus, Else 19/11/1898 | Warburg and Mary Warburg expect a visit by friends in the afternoon and can therefore not visit... |
WIA GC/1899/2 | Brockhaus, Else to Warburg, Mary 09/08/1899 | on her holidays |
WIA GC/1899/3 | Warburg, Aby and Warburg, Mary to Brockhaus, Heinrich and Brockhaus, Else 25/09/1899 | Warburg writes: he gave the last of his three lectures on Leonardo on 22/09/1899; attended by... |
WIA GC/1900/18 | Warburg, Aby and Warburg, Mary to Brockhaus, Heinrich and Brockhaus, Else 20/09/1900 | picture postcard; send greetings from Lübeck; the congress is mediocre, but food is good |
WIA GC/1901/11 | Warburg, Aby to Brockhaus, Heinrich 12/10/1901 | on his book about the Ghirlandaio heads; he will include a discussion of the Giotto fresco, the... |