Photo, 1959 Yves Klein pronouncing his speech during the opening of the exhibition “Vision in Motion – Motion in Vision”
Photo, 1957 View of Yves Klein's "Aerostatic Sculpture" during his exhibition "Yves Klein: Propositions Monochromes", Galerie Iris Clert
Document, 1956 Poster of the exhibition "Yves Propositions Monochromes", Galerie Colette Allendy, Paris,