WIA GC/1908/358 | Marcks, Erich to Warburg, Aby 19/03/1908 | Karl Rathgen and Marcks would like Warburg to be a member of the Kuratorium der... |
WIA GC/1908/359 | Warburg, Aby to Marcks, Erich 21/03/1908 | acknowledges with thanks and disappointment his and [Karl] Rathgen's views; thinks that at the... |
WIA GC/1909/464 | Warburg, Aby to Rathgen, Karl 18/01/1909 | he arranged a meeting with Max Warburg and Professor [Robert] Münzel and asks him to join them... |
WIA GC/1909/529 | Warburg, Aby to Schwedeler-Meyer, Ernst 15/07/1909 | replies to a threatening letter by Schwedeler-Meyer; a detailed report on the moves to establish... |
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... |