Photo, 1960 Yves Klein, Rotraut, Jean Tinguely and Eva Aeppli at the opening of the exhibition "Yves le Monochrome" at the Galerie Rive Droite
Document, 1958 Yves Klein, Report on the exhibition "Pure Speed and Monochrome Stability" at Iris Clert, in collaboration with Jean Tinguely
Photo, 1957 Yves Klein at the opening of his exhibition "Yves Propositions monochromes", Galerie Schmela, Düsseldorf
Photo, 1959 International collaboration between artists and architects in the realisation of the new Gelsenkirchen Opera House
Photo, 1957 Yves Klein hanging his works for the exhibition "Yves Propositions monochromes", Galerie Schmela
Document, 1958 Invitation card for the exhibition "Vitesse pure et stabilité monochrome" at galerie Iris Clert