Photo, january 1957 Yves Klein during the exhibition "Proposte monocrome, epoca blu", Galleria Apollinaire
Photo, 1960 Portrait of Yves Klein as a knight of Saint Sebastian in front of his work Monogold (MG 20)
Photo, 1959 Yves Klein, Iris Clert and Rotraut at the opening of the exhibition "Bas-reliefs in a sponge forest", Galerie Iris Clert
Photo, 1957 Yves Klein in front of his Sponge Sculpture at the exhibition "Monochrome Propositions of Yves Klein" Gallery One, London
Document, 1958 Albert Camus, Note written following the opening of the exhibition known as "The Void"