Article, 1961, Roland F. Pease Jr. Testimonial of Roland F. Pease Jr. on the blue monochromes seen at the Leo Castelli exhibition, 1961
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