WIA GC/10383 | Warburg, Aby to M. M. Warburg & Co. 30/07/1906 | instructs the bank to make payments to Bethge & Selzer, Commeter'sche Kunsthandlung und... |
WIA GC/10528 | Warburg, Aby to Cassirer, Paul 13/01/1907 | asks him to send a painting to Commeter'sche Kunsthandlung und Verlagsanstalt so that Warburg can... |
WIA GC/10825 | Warburg, Aby to Deutsch, Otto Erich 30/01/1908 | replies to his questions in detail, on Prade, Marie Satran [Safran?], Julius Campe [Hoffmann und... |
WIA GC/1749 | Illies, Carl Wilhelm Arthur to Warburg, Aby [08/1905] | the club has commissioned Commeter'sche Kunsthandlung und Verlagsanstalt with running the club... |
WIA GC/26132 | Warburg, Aby to Warburg, Charlotte and Warburg, Moritz 31/01/1896 | acknowledges receipt of letter from Olli [Olga Warburg] and Felix Warburg; he returned to Santa... |