WIA GC/1908/105 | du Bois-Reymond, Lili to Leo, Cécile [?] 17/02/1908 | she is very happy that [Aby Warburg and Mary Warburg] are in Engelberg; she wants her to meet... |
WIA GC/1908/107 | du Bois-Reymond, Lili to Warburg, Aby and Mary 15/03/1908 | their journey was wonderful; if only they could have travelled with [Aby Warburg and Mary Warburg... |
WIA GC/1909/101 | Warburg, Aby to du Bois-Reymond, Fanny 09/11/1909 | gives a character reference of André Jolles; once they had been friends, but they had gone their... |
WIA GC/1909/105 | du Bois-Reymond, Lili to Warburg, Aby 01/03/1909 | everybody was very disappointed that [Aby Warburg and Mary Warburg] did not attend the... |
WIA GC/1909/202 | Hensel, Paul to Warburg, Aby 10/06/1909 | forwards letters by [his sister] Lili du Bois-Reymond and [her daughter] Fanny [du Bois-Reymond... |