Document, 1955 Letter from Yves Klein to Jacques Tournier, author of the weekly "Les Nouvelles littéraires, artistiques et scientifiques".
Document, 1958 Letter from Yves Klein to the President of the International Confederation of Atomic Explosions
Exhibition, 5 Jun 1958 First experience of "living brushes" Appartement de Robert Godet 9, rue Le-Regrattier, Île Saint-Louis, Paris, France
Exhibition, 9 Mar 1960 Anthropométries de l'époque bleue Galerie Internationale d'art contemporain, Paris, France