Article, 1961, Roland F. Pease Jr. Testimonial of Roland F. Pease Jr. on the blue monochromes seen at the Leo Castelli exhibition, 1961
Exhibition, 21 Jul 2006 - 24 Sep 2006 Yves Klein. Der Sprung ins Leere. Pretiosen des Nouveau Réalisme Museum Moderner Kunst Passau Wörlen, Passau, Germany
Exhibition, 17 Nov 1958 - 30 Nov 1958 Vitesse pure et stabilité monochrome by Yves Klein and Jean Tinguely Galerie Iris Clert, Paris, France
Exhibition, 2 Jan 1957 - 12 Jan 1957 Yves Klein : Proposte monocrome, epoca blu Galleria Apollinaire, Milan, Italy
Document, 1957 Poster for the double exhibition "Yves Klein, Propositions Monochromes" at Galerie Iris Clert and Galerie Colette Allendy