Museum of Modern Art, Metropolitan Museum of Art, and New York Public Library, New York
Galleria Nazionale d'Arte Moderna, Roma (National Museum of Contemporary Art, Rome)
Taipei Fine Arts Museum
National Museum of History, Taipei
National Taiwan Museum of Fine Arts, Taichung
Kaohsiung Fine Arts Museum
Staatsgalerie Stuttgart, Germany
Stadtisches Museum, Leverkusen, Germany
Städtisches Museum, Bochum, Germany
Museum Haus Lange, Krefeld, Germany
Städtisches Museum, Monchengladbach, Germany
Philadelphia Museum of Art
Detroit Institute of Arts
Fogg Art Museum, Cambridge, Massachusetts
Shanghai Art Museum
Guangdong Museum of Art
Zhongshan Museum of Art, Guangdong
Art Gallery of Ontario, Toronto, Canada
Centro Storico d'Arte Visiva dell' Università di Parma, Italy
Galleria Civica di Cagliari, Italy
Museum d'Arte Moderna, Italy
Galleria Civica, Marsala, Italy
Galleria Civica and Università di Macerata, Italy
Galleria Civica, Gibellina, Italy
Palazzo Diamante, Ferrara, Italy
Museu d'Art Contemporani de Barcelona, Spain
Randers Museum of Art, Denmark
Musee Cantonal des Beaux-Arts, Lausanne, Switzerland
Hong Kong Museum of Art
National Museum of Wales, Cardiff, U.K.
Contemporary Art Museum, Skopije, Macedonía
Rose Art Museum, Waltham, Massachusetts
Museo de Arte Contemporáneo, Vilafamés, Spain
Museo d'Arte Moderna e Contemporanea, San Gimignano, Italy
Museo d'Arte Moderna e Contemporanea di San Marino
National Library of Wales Aberystwyth, U.K.
Museo Brindisi, Italy
Kunstverein, Dusseldorf, Germany
Fondazione Antonio Mazzotta, Milan
Dimension Endowment of Art Foundation
Fondazione A. Calderara, Vaciago(NO), Italy
3812 Gallery, Hong Kong