WIA GC/1892/41 | Meyer, Ernst [Schwedeler-Meyer, Ernst] to Warburg, Aby 26/03/1892 | what is Warburg doing in Hamburg?; 'Hubertl' [Hubert Janitschek] wanted to say good-bye to... |
WIA GC/1906/106 | Brockhaus, Heinrich to Warburg, Aby 30/11/1906 | [Otto Helmut] Hopfen lives in Florence, Bellosguardo 12; Brockhaus thinks that Warburg might find... |
WIA GC/1907/106 | Warburg, Aby to Clemen, Paul 30/04/1907 | thanks him for his letter with news from Florence; mentions Henry Thode, Georg Gronau, A... |
WIA GC/1907/370 | Hopfen, Otto Helmut to Warburg, Aby 16/06/1907 | he cannot attend the International Congress of the History of Art; promises to support Warburg |
WIA GC/1907/44 | Warburg, Aby to Bode, Wilhelm 04/08/1907 | informs him that he will receive Warburg's Francesco Sassetti article shortly; the research had... |