Steiner’s research on the threefold human organism (nerve-sense system, rhythmic system, metabolic/limb system) appears under the title, The Riddle of Man. Expositions on the relationship between anthropology and anthroposophy.

After discussions with the politician Count Otto Lerchenfeld about the situation in central Europe, Steiner writes two memorandums in which he develops perspectives for a new social form for public life. These are given to influential political personalities in Germany (Kühlmann, Prince Max von Baden) and Austria (Kaiser Karl).