WIA GC/1900/39 | Warburg, Aby to Hildebrand, Adolf 27/03/1900 | on Mrs. [Irene] Hildebrand's wish to appoint an executor; Warburg suggests that instead of... |
WIA GC/1911/387 | Warburg, Aby to Hildebrand, Irene von 04/11/1911 | Warburg replies as his wife is still ill; re reference for Mr. Egg; Warburg regrets that his... |