Photo, january 1957 Yves Klein during the exhibition "Proposte monocrome, epoca blu", Galleria Apollinaire
Photo, 1957 View of Yves Klein's "Aerostatic Sculpture" during his exhibition "Yves Klein: Propositions Monochromes", Galerie Iris Clert
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]