WIA GC/12499 | du Bois-Reymond, Lili to Warburg, Aby 02/12/1920 | they enjoyed the visit of Max Adolph, Warburg's son; they have few friends left in Plön; on her... |
WIA GC/13428 | du Bois-Reymond, Lola [Enole] to Warburg, Aby 17/03/1922 | thanks him for greetings via Mary Warburg; sends congratulations to Warburg for his latest niece... |
WIA GC/13805 | Embden, Käthe to Warburg, Aby 10/01/1922 | New Year greetings; Gustav spent Christmas with them, Marianne [Embden, her sister] and Gertrud... |
WIA GC/14677 | Embden, Käthe to Warburg, Aby 06/01/1924 | thanks him for a book which Warburg sent her via Heinrich [Embden]; she enjoyed the Christmas... |
WIA GC/16068 | Hensel, Paul to Warburg, Aby 27/09/1925 | agrees to give a lecture in November 1925 under the condition that he can take his time with... |