WIA FC/1896/8/12 | Warburg, Aby to Warburg, Charlotte and Warburg, Moritz 26/02/1896 | thanks for letters from Charlotte Warburg and Olli [Olga Warburg] and Panina [Paul and Nina... |
WIA FC/1896/8/8 | Warburg, Charlotte to Warburg, Aby 01/02/1896 | she called at Warburg's friend [Dr. med.] Emil Elias, not because she is ill, and told him of... |
WIA GC/1908/517 | Waetzoldt, Wilhelm to Warburg, Aby 10/03/1908 | thanks him for his reply and looks forward to receiving his advice; he cannot ask his old Hamburg... |