WIA FC/1896/10/1 | Warburg, Fritz to Warburg, Aby 18/04/1896 | apologizes for not having written, but he is lazy and busy; he has given a lecture on Thomas... |
WIA FC/1897/27/17 | Warburg, Charlotte to Warburg, Aby 26/03/1897 | he will have received a letter by Olga Warburg who wants to visit him in Berlin; but Charlotte... |
WIA FC/1897/29/3 | Warburg, Fritz to Warburg, Aby 18/09/1897 | thanks him for letter; is touched that Warburg is so concerned at a time when Warburg himself is... |
WIA FC/1917/3/11 | Warburg, Mary to Warburg, Aby 09/08/1917 | acknowledges receipt of newspapers and a parcel of fruit, apples, figs, a letter by Miss Dühren... |
WIA FC/1922/8/364 | Warburg, Aby to Warburg, Mary 08/07/1922 | congratulates her as mother of Max Adolph; may their son and student develop and learn a... |