WIA GC/1902/160 | Friedländer, Max J. to Warburg, Aby 22/11/1902 | thanks him for a copy of Warburg's book, 'Flandrische Kunst'; he finds it 'important'; Bode is... |
WIA GC/1902/395 | Schwedeler-Meyer, Ernst to Warburg, Aby 02/11/1902 | he is moving to the National Gallery in Berlin; on appointments of art historians Walther Gensel... |
WIA GC/1905/185 | Gensel, Walther to Warburg, Aby 03/03/1905 | he has forgotten to ask [Max] Lehrs about a photograph; Lehrs thanks Warburg |
WIA GC/1905/531 | Schwedeler-Meyer, Ernst to Warburg, Aby [before 01/08/1905] | A. Haseloff was appointed Secretary in the Historical Institute in Rome; hopes that Warburg can... |