For many years, Erika von Baravalle worked on the documents about the building history of the first and second Goetheanum and opened up the artistic legacy of Albert von Baravalle, who worked closely with Rudolf Steiner as an architect. Additionally, she also carried out a large number of her own studies that had to do with the spiritual and artistic motifs of both buildings (and their precursors). To mark the centenary of the laying of the foundation stone of the Johannesbau, as the Goetheanum was initially called, she presented various of her essays in an anthology, rich with visual material-as well as eyewitness reports of the first laying of the foundation stone: studies by Fritz G?tte, Elisabeth Vreede, Walter B?hler, and Ernst Bindel, as well as Rudolf Steiner's speeches leading up to and from the event of September 20, 1913, accounts which have never appeared or been available in such a compilation before.