Article, 1961, Roland F. Pease Jr. Testimonial of Roland F. Pease Jr. on the blue monochromes seen at the Leo Castelli exhibition, 1961
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
Photo, 1959 International collaboration between artists and architects in the realisation of the new Gelsenkirchen Opera House
Photo, march 9th 1960 Presentation of the "Anthropométries de l'Époque Bleue" at the Galerie Internationale d'Art Contemporain