Exhibition, 31 May 1957 - 23 Jun 1957 Yves Propositions monochromes Galerie Schmela, Düsseldorf, Germany
Photo, 1949 Christmas evening at Hans Hartung's with Yves Klein standing on the right, surrounded by Colette and Pierre Soulages
Photo, May 31st - June 23rd 1957 Yves Klein at the opening of his exhibition "Yves Propositions monochromes", Galerie Schmela, Düsseldorf