WIA GC/1900/29 | Ferber, Kurt to Warburg, Aby 17/10/1900 | recommends a friend, Miss Emilie ['Mila'] Brock, from Hamburg, who is going to Florence in November |
WIA GC/1910/174 | Ferber, Kurt to Warburg, Aby [May 1910] | thanks him for a copy of Warburg's article ['Die Wandbilder'] |
WIA GC/1917/181 | Warburg, Aby to Ferber, Kurt 27/06/1917 | he is looking for a parody of a [August Friedrich Ferdinand von] Koetzebue poem; does he have it... |
WIA GC/1917/182 | Ferber, Kurt to Warburg, Aby 01/07/1917 | thanks him for a note on 27/06/1917; he has checked the book collection in his father's house but... |
WIA GC/1919/36 | Ferber, Kurt to Warburg, Aby 24/08/1919 | he has to sell the library of his father; he donated part of the Bismarckiana collection to the... |