WIA GC/1900/30 | Fliess, Selma to Warburg, Aby 19/04/1900 | sends greetings from Mrs. [Regine] Oppenheim [Warburg's grandmother]; Mary Warburg has given her... |
WIA GC/1902/175 | Goldschmied, E. to Warburg, Aby 26/02/1902 | Mrs. [Regine] Oppenheim asked him to thank Warburg for the lovely book, 'Bildniskunst' |
WIA GC/1915/170 | Warburg, Aby to Derenberg, Richard 15/08/1915 | on the commemorative print ['Gedenkblatt'] for the centenary of the birthday of his grandmother... |