WIA GC/1896/11 | Doren, Alfred to Warburg, Aby 30/09/1896 | at long last Warburg's letter has arrived; thanks him very much; wants to hear more about Warburg... |
WIA GC/1897/33 | Hillebrand, Jessie to Warburg, Aby 20/07/1897 | congratulates him on his engagement; is very happy that he wants to spend the winter in Florence... |
WIA GC/1898/10 | Warburg, Aby to Brockhaus, Heinrich 05/07/1898 | wants to know how much money Brockhaus wants to receive from the German State for the Institut... |
WIA GC/1898/11 | Brockhaus, Heinrich to Warburg, Aby 08/07/1898 | he does not think the time has come to talk about funds for the Kunsthistorisches Institut in... |
WIA GC/1898/35 | Hillebrand, Jessie to Warburg, Aby 13/11/1898 | because of illness she was late in replying; sends her apologies |