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/20099 | Embden, Heinrich to Warburg, Aby 08/01/1929 | thanks him for New Year greetings and good wishes and the gift of glasses on the occasion of the... |
WIA GC/24877 | Warburg, Aby to Warburg, Mary 25/01/1929 | on his conducted tour the previous evening; participants were the director of the Dutch Institute... |
WIA GC/31526 | Warburg, Mary to Warburg, Aby 23/06/1904 | thanks him for letter; everything is fine in Hamburg, the children are well and very funny to... |