Paris, 1 October 1955 - Institutional correspondence J. Malesset's letter to the Musee des Arts Décoratifs
Paris, 17 October 1955 - Institutional correspondence J. Malesset's letter to the Musée des Arts Décoratifs
Whitechapel Gallery, London, 14 March 2010 - Performance 119-minute circle. The International Congress at the Whitechapel Gallery