WIA FC/1906/12/15 | Warburg, Max to Warburg, Aby 06/04/1906 | thanks him for letter of 02/04/1906; on the success of the Japanese loan; on the shareholders of... |
WIA FC/1906/12/19 | Warburg, Max to Warburg, Aby 04/08/1906 | forwards articles by Dr. E.[Felix von Eckardt]; requests from Warburg to send the whole... |
WIA FC/1906/12/20 | Warburg, Max to Warburg, Aby 07/08/1906 | M. M. Warburg & Co has not contributed to the rebuilding of the Michaeliskirche; discusses the... |
WIA FC/1908/3/52 | Warburg, Aby to Warburg, Mary 15/07/1908 | the weather is changeable in Hamburg as well as in Fanö; he has not enough inner peace to work... |
WIA FC/1909/2/59 | Warburg, Aby to Warburg, Mary 24/09/1909 | reminds her to send condolences on the death of Antonie Petersen, styled 'Toni' [daughter of... |