Exhibition, 17 Mar 1959 - 3 May 1959 Vision in motion - motion in vision Hessenhuis, Antwerp, Belgium
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