WIA FC/1896/10/2 | Warburg, Fritz to Warburg Aby 11/1896 | asks him what he should do with papers which have arrived for Warburg: 'Litterarische... |
WIA FC/1897/34/2 | Warburg, Olga to Warburg, Aby 28/02/1897 | Charlotte asked her to ask Warburg to bring with him the glass slides of the photographs from New... |
WIA FC/1908/3/36 | Warburg, Aby to Warburg, Mary 06/07/1908 | the previous evening he spent with [Gustaf F.] Steffen at Kösterberg; with Max [Warburg] were... |
WIA FC/1922/8/621 | Warburg, Mary to Warburg, Aby 18/11/1922 | thanks for letters from Warburg and Nurse Lydia; it is the day of [Gustav] Pauli's lecture; it is... |
WIA GC/1902/239 | Krüss, Andreas to Warburg, Aby 23/081902 | Warburg should order soon if he needs new photographic materials for the winter semester; offers... |