Article, 1961, Roland F. Pease Jr. Testimonial of Roland F. Pease Jr. on the blue monochromes seen at the Leo Castelli exhibition, 1961
Photo, 1953 Master Sampei Asami and Yves Klein performing the Koshiki-no-kata, (Kata of Ancient Forms), dojo of Master Asami, Tokyo
Photo, 1961 Yves Klein and Paul Wember at the opening of the exhibition "Yves Klein Monochrome und Feuer" at the Museum Haus Lange