New York, 6 January 1960 - Management of reproduction rights A letter from the Spanish Refugee Aid, Inc. to Pablo Picasso
New York: Political Art Documentation and Distribution (PAD/D), 1981–1988 - Bulletin 1st Issue and Upfront
Whitechapel Gallery, London, 14 March 2010 - Performance 119-minute circle. The International Congress at the Whitechapel Gallery