WIA GC/10321 | Warburg, Aby to Koetschau, Karl [June 1906] | on [August] Schmarsow's information on the composition of the new committee of the International... |
WIA GC/10351 | Warburg, Aby to Wulff, Oskar 28/04/1906 | thanks Wulff and [Rudolf] Kautzsch for inviting him to write an article for the Festschrift for... |
WIA GC/10362 | Warburg, Aby to Koetschau, Karl [01/09/1906] | asks him why he mistrusts Warburg and [Rudolf] Kautzsch?; Koetschau knows that both support him... |
WIA GC/10365 | Warburg, Aby to Schmarsow, August 19/06/1906 | asks when the first committee meeting will take place; he can change Warburg's vote for [Paul... |
WIA GC/10367 | Warburg, Aby to Kautzsch, Rudolf [June 1906] | urges a meeting of the committee members and suggests July 14th or 15th; [Josef] Strzygowski has... |