Exhibition, 20 Nov 1961 - 30 Nov 1960 Yves Klein le monochrome: il nuovo realismo del colore Galleria Apollinaire, Milan, Italy
Exhibition, 14 Jan 1961 - 26 Feb 1961 Yves Klein Monochrome und Feuer Museum Haus Lange, Krefeld, Germany
Document, 1961 Invitation card for the exhibition "Yves Klein Monochrome und Feuer" at the Museum Haus Lange in Krefeld