Document, 1955 Poster for Yves Klein's Judo lessons at the American Students and Artists Center, 261 Boulevard Raspail, Paris
Document, 1961 Invitation card for the exhibition "Yves Klein Monochrome und Feuer" at the Museum Haus Lange in Krefeld
Photo, May 31st - June 23rd 1957 Yves Klein at the opening of his exhibition "Yves Propositions monochromes", Galerie Schmela, Düsseldorf