Photo, 1961 Yves Klein and Paul Wember at the opening of the exhibition "Yves Klein Monochrome und Feuer" at the Museum Haus Lange
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