WIA FC/1921/20/26 | Warburg, Max to Warburg, Aby 17/09/1921 | he returns to Aby a personnel form relating to his honorary professorship with instructions how... |
WIA GC 1930/971 | Saxl, Fritz to Franke, Otto 28/01/1930 | |
WIA GC 1930/972 | Franke, Otto to Saxl, Fritz 31/01/1930 | |
WIA GC 1930/973 | Franke, Otto to KBW 20/06/1930 | |
WIA GC/1910/411 | Warburg, Aby to Marr, Heinz 22/11/1910 | supplies names of people Marr ought to invite as well; [Heinrich?] Embden is prepared to bring... |