Photo, 1961 "Fire Fountain" during the exhibition "Yves Klein Monochrome und Feuer" at the Museum Haus Lange
Photo, 1957 Yves Klein hanging his works for the exhibition "Yves Propositions monochromes", Galerie Schmela
Photo, 1957 Yves Klein at the opening of his exhibition "Yves Propositions monochromes", Galerie Schmela, Düsseldorf