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/1908/120 | du Bois-Reymond, Lucy to Warburg, Aby 13/03/1908 | thanks him for the 'Lettera di una gentildonna fiorentina'; family news on Lili, Leo, Erika, Eva... |
WIA GC/1920/189 | Roemer, Eva to Warburg, Mary 04/03/1920 | thanks Mary Warburg for helping her find accommodation with Mrs. Kersten; she will move in on 20... |
WIA GC/1920/69 | du Bois-Reymond, Lili to Warburg, Mary 07/01/1920 | she has the flu, but is getting better; thanks her for news, is very sorry about Warburg; admires... |
WIA GC/1920/70 | du Bois-Reymond, Lili to Warburg, Mary 28/01/1920 | replies to her request; offers accommodation to Max Adolph Warburg as a matter of fact from the... |