WIA FC/1897/34/25 | Warburg, Olga to Warburg, Mary 24/10/1897 | thanks her very much for her letters; hopes that she will be very happy in beloved Florence... |
WIA FC/1900/11/10 | Warburg, Aby to Warburg, Max 28/10/1900 | sends his first bi-weekly letter; Max is right, they can stay in touch through writing; supplies... |
WIA FC/1900/6/45 | Warburg, Aby to Warburg, Mary 13/10/1900 | sends birthday greetings; he will celebrate Mary's birthday together with Erich von Hornbostel... |
WIA FC/1902/9/115 | Warburg, Aby to Warburg, Mary 30/10/1902 | thanks her for letter; he also had a letter from Charlotte Warburg; in the archive he found that... |
WIA FC/1903/6/41 | Warburg, Aby to Warburg, Mary 04/08/1903 | he enjoyed visiting [Julius] Ziehen; Ziehen's wife is clever, slim, 'wide awake' [in English in... |