From autumn 1913 to spring 1914, the designs for the nine colored windows in the first Goetheanum building in Dornach were created, executed as light engravings using a new glass cutting technique. The motifs were also used for the windows of the second Goetheanum after the first building was destroyed by fire on New Year's Eve 1922/23. Content of the text volume: Rudolf Steiner: The Goetheanum Windows (texts from lectures) / Assja Turgenieff: Rudolf Steiner's Designs for the Goetheanum Windows. The Goetheanum Window Motifs. From the work on the stained glass windows. Information for the study of the window motifs. Memories of the beginnings of the light-dark studies / Appendix. Content of the image volume: Designs and studies by Rudolf Steiner (with 43, of which 31 are in color) / From the work on the windows - a photographic documentation (with 61 images, including 11 color images of the windows of the first building).