WIA GC/10085 | Sieveking, Johannes to Warburg, Aby [ with 1909 correspondence] | thanks him for a drawing of a crystal and mention of an item in Rosenheim; complains about the... |
WIA GC/10991 | Warburg, Aby to Schultz, Clemens 28/02/1909 | invites Schultz to give a lecture to the group of twelve married couples which makes up a private... |
WIA GC/11128 | Warburg, Aby to Meyer, Richard 23/10/1909 | forwards Johannes Sieveking's letter of recommendation for Walter Riezler for a job vacancy in... |
WIA GC/12614 | Schweinfurth, Philipp to Warburg, Aby 14/08/1920 | Professor Johannes Sieveking in Munich encouraged him to write; he was a Russian citizen, but... |
WIA GC/14810 | Saxl, Fritz to Sieveking, Johannes 20/09/1924 | Warburg is interested in the Etruscan mirror with the Prometheus image; it used to be in the... |