Photo, 1959 Yves Klein at the opening of his exhibition "Bas-reliefs in a sponge forest", Galerie Iris Clert
Document, 1958 Yves Klein, Account of the opening of the exhibition "Epoque pneumatique, la sensibilité picturale immatérielle à l'état matière première" at Galerie Iris Clert
Document, 1958 Yves Klein, Account of the opening of the exhibition "Epoque pneumatique, la sensibilité picturale immatérielle à l'état matière première" at Galerie Iris Clert
Photo, 1957 Yves Klein in front of his Sponge Sculpture at the exhibition "Monochrome Propositions of Yves Klein" Gallery One, London
Photo, 1959 Yves Klein, Iris Clert and Rotraut at the opening of the exhibition "Bas-reliefs in a sponge forest", Galerie Iris Clert
Document, 1958 Albert Camus, Note written following the opening of the exhibition known as "The Void"
Exhibition, 15 Jun 1959 - 30 Jun 1959 Bas-reliefs dans une forêt d'éponges Galerie Iris Clert, Paris, France
Exhibition, 17 Nov 1958 - 30 Nov 1958 Vitesse pure et stabilité monochrome by Yves Klein and Jean Tinguely Galerie Iris Clert, Paris, France
Film, 1958 Yves Klein's exhibition : La spécialisation de la sensibilité à l’état de matière première [The Specialization of Sensibilité in the Raw Material State of Stabilized Pictorial Sensibilité]