WIA GC/25380 | Warburg, Charlotte to Warburg, Aby 20/12/1889 | apologizes for using Paul Warburg's writing paper; forwards a letter by Paul; Paul wrote that... |
WIA GC/25406 | Warburg, Aby to Warburg, Charlotte 19/01/1890 | acknowledges receipt of her letter; he is getting better, even if he has headaches and muscular... |
WIA GC/25617 | Warburg, Théophilie to Warburg, Aby 07/09/1891 | thanks him for buying a suitcase for her; Siegfried [her nephew, son of Siegfried and Aniuta... |
WIA GC/4245 | [Aschkenasy, Siegfried] to Warburg, Aby 05/01/1911 | forwards copies of papers on astronomical calculations for 1146, manuscripts and of a book with... |
WIA GC/9803 | Warburg, Aby to Warburg, Charlotte 27/07/1888 | is pleased that she does not return to Hamburg before the building work is over; reports on the... |