WIA FC/1898/8/7 | Warburg, Charlotte to Warburg, Aby and Warburg, Mary 28/01/1898 | she is keeping up her correspondence with her children in New York and Florence and despite this... |
WIA FC/1922/8/208 | Warburg, Mary to Warburg, Aby 19/04/1922 | weather is fine, she will start a new pastel painting [used the phrase 'trying to do something... |
WIA FC/1922/8/209 | Warburg, Aby to Warburg, Mary 20/04/1922 | requests explanations about the contradictory information about Max Adolph's student digs in... |
WIA GC/1899/35 | Eyssenhardt, Franz to Warburg, Aby 08/05/1899 | the Stadtbibliothek does have the Codice Atlantico and the Publications by Sabachnikoff |