Collaborative form: studies in the relations of the arts

The work admired in every age : Lettera amorosa

The warmth of the face of the newborn : A la santé du serpent

On the spiritual in art : Der Blaue Reiter

The relation of the text : Herzgewächse

The stage composition : Der gelbe Klang

Der Sturm : Mörder, Hoffnung der Frauen

The sacred and the profane : Triad.