WIA GC/1905/513 | Warburg, Aby to Verein für Hamburgische Geschichte 14/09/1905 | he informs the five committee members on how Director Lichtwark and Director Justus Brinckmann... |
WIA GC/1907/739 | Trummer, Paul Heinrich to Warburg, Aby 19/11/1907 | thanks him for the essay; wants Warburg to forward a sketch and precise description of the coat... |
WIA GC/1908/498 | Trummer, Paul Heinrich to Warburg, Aby 06/04/1908 | he has not returned the photograph of the coat of arms as he wishes to discuss it with Warburg... |
WIA GC/1908/499 | Trummer, Paul Heinrich to Warburg, Aby 15/04/1908 | dinner appointment |
WIA GC/1908/500 | Trummer, Paul Heinrich to Warburg, Aby 27/05/1908 | appointment |