about the ideas and processes behind his and other conceptual art called Framing and Being Framed. Published in 1995, Free Exchange, is a transcription of a conversation between Haacke and Pierre Bourdieu. The two men met in the 1980s and, as Bourdieu states in the introduction, "very quickly discovered how much they have in common". Notable works in public collections Condensation Cube (1963), Generali Foundation, Vienna (on permanent loan to Museum der Moderne Salzburg); Hirshhorn Museum and Sculpture Garden, Smithsonian Institution, Washington, DC; and Tate, London Blue Sail (1964-1965), San Francisco Museum of Modern Art Condensation Wall (1963/1966), National Gallery of Art, Washington, DC Shapolsky et al. Manhattan Real Estate Holdings, a Real-Time Social System, as of May 1, 1971 (1971), Centre Pompidou, Paris and Whitney Museum of American Art, New York Sol Goldman and Alex DiLorenzo Manhattan Real Estate Holdings, A Real-Time Social System, as of May 1, 1971 (1971), Metropolitan Museum of Art, New York and Tate, London Solomon R. Guggenheim Museum Board of Trustees (1974), Museum of Modern Art, New York A Breed Apart (1978), Tate, London Thank You, Paine Webber (1979), Metropolitan Museum of Art, New York Oil Painting: Homage to Marcel Broodthaers (1982), Los Angeles County Museum of Art MetroMobiltan (1985), Centre Pompidou, Paris The Saatchi Collection (Simulations) (1987), The Broad, Los Angeles Mission Accomplished (2004-2005), National Gallery of Art, Washington, DC News (1969/2008), San Francisco Museum of Modern Art See also Autonomy Cube, a project by Trevor Paglen and Jacob Appelbaum inspired by Haacke's Condensation Cube Systems art References Further reading Luke Skrebowski, "All Systems Go: Recovering Hans Haacke's Systems Art", in Grey Room, Winter 2008, No. 30, Pages 54–83. Flügge, Matthias, and Fleck, Robert (ed.). 2007. "Hans Haacke - Wirklich. Werke 1959-2006". Düsseldorf: Richter. (catalogue to a retrospective exhibition at Deichtorhallen Hamburg 17.11.2006 - 4.2.2007 and Akademie der Künste, Berlin 18.11.2006 - 14.1.2007) Grasskamp, Walter, Hans Haacke, and Benjamin Buchloh. "Obra social": Hans Haacke. Barcelona: Fundació Antoni Tàpies, 1995. Text in Catalan, English and Castilian. Bourdieu, P. and H. Haacke. Free Exchange. Stanford: Stanford Univ Press, 1995. Wallis, B. (ed). 1986. Hans Haacke: Unfinished Business. New York and Cambridge: New Museum of Contemporary Art and MIT Press. Jean-Hubert Martin, Valerie Hilling, Catherine Millet and Mattijs Visser. "ZERO, Internationale Künstler Avantgarde", exhibition catalog published by Museum Kunst Palast and Cantz, Düsseldorf/Ostfildern 2006, Duncan, Carol. "The Art Museum as Ritual" from The Art of Art