WIA FC/1914/10/4 | Warburg, Max to Warburg, Aby 15/01/1914 | forwards Max Warburg's letter to B. Schädel, 06/01/1914, and copy of Max Warburg's reply to L... |
WIA GC/1896/40 | Lichtwark, Alfred to Warburg, Aby 17/06/1896 | apologizes for not having kept an appointment the previous day |
WIA GC/1898/12 | Warburg, Aby to Brockhaus, Heinrich 29/07/1898 | his letter to a gentleman in Berlin has been sent one week ago; hopes that he will support the... |
WIA GC/1898/13 | Brockhaus, Heinrich to Warburg, Aby 08/08/1898 | it must be far better in Heligoland than in Florence in the month of August; is pleased that... |
WIA GC/1898/40 | Juhl, Ernst to Warburg, Aby 12/01/1898 | [Ernst?] Zimmermann is the president of the Kunstverein in Hamburg; mentions the painter E. Sack... |