© Confidential Concepts, worldwide, USA

      © Parkstone Press International, New York, USA

      © Magdalena Abakanowicz

      Art © Carl Andre/ Licensed by VAGA, New York, NY

      © Giovanni Anselmo

      © Arman, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Hans (Jean) Arp, Artists Rights Society (ARS), New York, USA/ VG Bild-Kunst, Bonn

      © Richard Artschwager, Artists Rights Society (ARS), New York, USA

      © Alice Aycock

      © Vladimir Baranoff-Rossiné, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Clive Barker

      © Ernst Barlach Lizenzverwaltung Ratzeburg

      © Richmond Barthé

      © Rudolf Belling, Artists Rights Society (ARS), New York, USA/ VG Bild-Kunst, Bonn

      © Hans Bellmer, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Joseph Beuys, Artists Rights Society (ARS), New York, USA/ VG Bild-Kunst, Bonn

      © Boleslas Biegas

      © Lee Bontecou/ courtesy Knoedler & Company, New York

      © Gutzon Borglum

      © Fernando Botero

      © Henri Bouchard, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      Art © Louise Bourgeois/ Licensed by VAGA, New York, NY

      © Constantin Brancusi, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © André Breton, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Marcel Broodthaers, Artists Rights Society (ARS), New York, USA/ SABAM, Brussels

      © Estate of Scott Burton, Artists Rights Society (ARS), New York, USA

      © Pol Bury, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Calder Foundation, New York/ Artists Rights Society (ARS), New York, USA

      © Anthony Caro

      © César, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © John Chamberlain, Artists Rights Society (ARS), New York, USA

      © Barbara Chase-Riboud

      © Christo, New York

      © Lygia Clark

      © Camille Claudel, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      Art © The Joseph and Robert Cornell Memorial Foundation/Licensed by VAGA, New York, NY

      © Tony Cragg

      © Salvador Dalí, Gala-Salvador Dalí Foundation, Artists Rights Society (ARS), New York, USA

      © Paul Dardé, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © John De Andrea

      © Dorothy Dehner

      © André Derain, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Franck Dobson

      © Eugène Dodeigne, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © The Trustees of E.A.B. Drury

      © Jean Dubuffet, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Marcel Duchamp, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris/ Succession Marcel Duchamp

      © Xawery Dunikowski

      Jacob Epstein © Tate, London

      © Luciano Fabro

      © Stephen Flavin, Artists Rights Society (ARS), New York, USA

      © Fix-Masseau Estate, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © James Earle Fraser

      © Charles Frazier

      © Naum Gabo

      © Alberto Giacometti, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Julio González, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Toni Grand, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Etienne Hajdu, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      Art © Estate of Duane Hanson/Licensed by VAGA, New York, NY

      © Raoul Hausmann, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Bowness, Hepworth Estate

      © The Estate of Eva Hesse. Hauser & Wirth Zürich London

      © Bernhard Hoetger, Artists Rights Society (ARS), New York, USA/ VG Bild-Kunst, Bonn

      © Malvina Hoffman

      © Valentine Hugo, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Anna V. Hyatt Huntington

      © Marcel Janco, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Marcel Jean, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      Art © Jasper Johns/Licensed by VAGA, New York, NY

      © Allen Jones

      Art © Donald Judd Foundation/Licensed by VAGA, New York, NY

      © Ellsworth Kelly

      © Yves Klein, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Gustav Klucis Estate, Artists Rights Society (ARS), New York, USA/ VG Bild-Kunst, Bonn

      © Katarzyna Kobro

      © Käthe Kollwitz, Artists Rights Society (ARS), New York, USA/ VG Bild-Kunst, Bonn

      © Jannis Kounellis

      © Wolfgang Laib

      © Berto Lardera, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Henri Laurens, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Estate of Sol LeWitt, Artists Rights Society (ARS), New York, USA

      © Estate of Jacques Lipschitz, New York

      © Aristide Maillol, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Man Ray Trust/ Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Giacomo Manzù

      © Walter de Maria

      © Marino Marini, Artists Rights Society (ARS), New York, USA/ SIAE, Roma

      Art © Marisol Escobar/Licensed by VAGA, New York, NY

      © Etienne Martin, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Pierre Masseau, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Henri Matisse, Les Héritiers Matisse, Artists Rights Society, New York, USA/ ADAGP, Paris

      © Succession H. Matisse, Paris/ Artists Rights Society (ARS), New York, USA

      © George Minne, Artists Rights Society (ARS), New York, USA/ SABAM, Brussels

      © Successió Miró, Artists Rights Society (ARS), New York, USA/ ADAGP, Paris

      © Robert Morris, Artists Rights Society (ARS), New York, USA

      © Bruce Nauman, Artists Rights Society (ARS), New York, USA

      © Estate of Louise Nevelson, Artists Rights Society (ARS), New York, USA

      © Barnett Newman, Artists Rights Society (ARS), New York, USA

      © The Isamu Noguchi Foundation