Exhibition, 20 Nov 1961 - 30 Nov 1960 Yves Klein le monochrome: il nuovo realismo del colore Galleria Apollinaire, Milan, Italy
Exhibition, 16 May 2009 - 13 Sep 2009 Yves Klein & Rotraut MASI - Lugano Museo d'arte della Svizzera italiana, Lugano, Switzerland
Photo, january 1957 Yves Klein during the exhibition "Proposte monocrome, epoca blu", Galleria Apollinaire
Photo, 1959 Yves Klein, Iris Clert and Rotraut at the opening of the exhibition "Bas-reliefs in a sponge forest", Galerie Iris Clert
Photo, 1959 Rotraut and Elena Palumbo at the opening of the exhibition "Bas-reliefs in a sponge forest", Galerie Iris Clert