WIA GC/1262 | Bonfort, Helene to Warburg, Aby 07/06/[1904?] | supplies address where Warburg may obtain a reference for Miss Helene Höhnk |
WIA GC/1531 | Bonfort, Helene to Warburg, Aby 19/01/1905 | Warburg might possibly be approached by Heinrich Spiero from Berlin, who wants to establish an... |
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/26274 | Warburg, Charlotte to Warburg, Aby 08/01/1897 | nothing to report but she writes dutifully every Saturday night; mentions 'crybabies', mentions... |
WIA GC/26914 | Warburg, Charlotte to Warburg, Aby and Warburg, Mary 25/04/1898 | acknowledges gratefully Olga's [Warburg] letters and is pleased that Olga is in Florence; did she... |