Article, 1961, Roland F. Pease Jr. Testimonial of Roland F. Pease Jr. on the blue monochromes seen at the Leo Castelli exhibition, 1961
Photo, january 14th 1961 Yves Klein surrounded by Sponge Sculptures during the exhibition "Monochrome und Feuer", Museum Haus Lange
Photo, 1961 View of the exhibition “Monochrome und Feuer” (MG 17, S 33, S 34, S 35), Museum Haus Lange
Photo, 1961 Yves Klein surrounded by his works at the exhibition "Yves Klein Monochrome und Feuer" at the Museum Haus Lange
Document, 1957 Invitation card for the double exhibition "Yves Klein: Propositions monochromes" at the Iris Clert and Colette Allendy Galleries
Photo, January 1957 Yves Klein making a Judo catch during his exhibition "Yves Klein: Proposte monocrome, epoca blu", Galleria Apollinaire
Photo, October 15 1955 Bernadette Allain at the opening of the exhibition "Yves: paintings", Lacoste Publishing - Club des Solitaires