WIA GC/12648 | Warburg, Aby to Warburg, Paul 02/09/1920 | acknowledges receipt of his letter; regrets that Paul Warburg and his family do not visit him in... |
WIA GC/14903 | Warburg, Nina to Warburg, Aby and Warburg, Mary 21/12/1924 | she is very happy that Warburg is back in Hamburg; mentions many members of her family, Kathleen... |
WIA GC/14956 | Warburg, Aby to Warburg, Nina 18/09/1924 | thanks her for choosing a grey silk shawl for him; her daughter Bettina has brought him a book by... |
WIA GC/17084 | Warburg, Felix to Warburg, Aby 03/02/1925 | is very happy that Warburg is 'evidently right in the saddle as before'; he is going to Europe in... |
WIA GC/17090 | Warburg, Aby to Warburg, Felix 07/07/1925 | thanks him and his family for their wishes to his birthday; he spent it with Mary, Max and Frede... |