Exhibition, 21 Feb 1956 - 7 Mar 1956 Yves : Propositions monochromes Galerie Colette Allendy, Paris, France
Exhibition, 2 Jan 1957 - 12 Jan 1957 Yves Klein : Proposte monocrome, epoca blu Galleria Apollinaire, Milan, Italy
Exhibition, 10 May 1957 - 25 May 1957 Yves Klein : Propositions monochromes Galerie Iris Clert, Paris, France
Exhibition, 14 May 1957 - 23 May 1957 Yves Klein : Propositions monochromes Galerie Colette Allendy, Paris, France
Exhibition, 31 May 1957 - 23 Jun 1957 Yves Propositions monochromes Galerie Schmela, Düsseldorf, Germany
Exhibition, 24 Jun 1957 - 13 Jul 1957 Monochrome Propositions of Yves Klein Gallery One, London, United Kingdom, London, England
Exhibition, 14 Jan 1961 - 26 Feb 1961 Yves Klein Monochrome und Feuer Museum Haus Lange, Krefeld, Germany
Exhibition, 11 Apr 1961 - 29 Apr 1961 Yves Klein le monochrome Leo Castelli Gallery, New York, United States
Exhibition, 29 May 1961 - 24 Jun 1961 Yves Klein le Monochrome Dwan Gallery - Los Angeles, Los Angeles, United States
Exhibition, 20 Nov 1961 - 30 Nov 1960 Yves Klein le monochrome: il nuovo realismo del colore Galleria Apollinaire, Milan, Italy
Article, 1961, Roland F. Pease Jr. Testimonial of Roland F. Pease Jr. on the blue monochromes seen at the Leo Castelli exhibition, 1961