WIA FC/1928/16/16 | Warburg, Aby to Warburg, Max 22/03/1928 | he went to the solicitor [Rudolf] Isay to discuss whether Warburg should switch from Teubner... |
WIA FC/1928/16/4 | Warburg, Aby to Warburg, Max and Warburg, Fritz 09/01/1928 | further details re conversation with Dr. [Alfred] Giesecke of Teubner publishers: Giesecke... |
WIA GC 1931/825 | Giesecke, Alfred [announcement of death of Konrad Giesecke] 19/02/1931 | |
WIA GC 1931/826 | Giesecke, Alfred to Saxl, Fritz 01/03/1931 | |
WIA GC/1913/1164 | Waetzoldt, Wilhelm to Warburg, Aby 26/04/1913 | forwards a letter from the Berlin magazine 'Kunstwelt'; promises to forward Warburg's reply to... |