Public Museums and Collections
- Tate Gallery, London, United Kingdom [1]
- Thyssen-Bornemisza Collection, Lugano, Switzerland [6]
- Brooklyn Museum, New York City, New York, USA [3]
- Centre national des arts plastiques (CNAP), Paris, France [7]
- Storm King Art Center, Mountainville, New York, USA [10]
- MAMCO (Musée d'art moderne et contemporain), Geneva, Switzerland [11]
- Museo Pablo Gargallo, Zaragoza, Spain
- Corcoran Gallery of Art, Washington, D.C., USA [5]
- Sursock Museum, Beirut, Lebanon [17]
- Museion (Museum of Modern and Contemporary Art of Bolzano), Bolzano, Italy [19]
- Quadrat Museum, Josef Albers Museum, Bottrop, Germany [27]
- The Outdoor Sculpture Collection & John Jay Park, City of New York, New York City, New York, USA [54]
- McNay Art Museum, San Antonio, Texas, USA [15]
- Gibbes Museum of Art, Charleston, South Carolina, USA
- Wichita Art Museum, Wichita, Kansas, USA [14]
- The Heckscher Museum of Art, Huntington, New York, USA
- Mississippi Museum of Art, Jackson, Mississippi, USA
- Figge Art Museum, Davenport, Iowa, USA [13]
- Museum of Cádiz, Cádiz, Spain
- Civic Museum of Gibellina, Sicily, Italy
- Casabianca Museum, Malo, Italy
- Museo de Chiclana, Chiclana de la Frontera, Cádiz, Spain
- Museo de Adra, Centro de Arte, Adra, Almería, Spain
University Museums and Collections
- Harvard University, Fogg Art Museum, Cambridge, Massachusetts, USA [2]
- Stanford University, Cantor Arts Center, Stanford, California, USA [4]
- Dartmouth College, Hood Museum of Art, Hanover, New Hampshire, USA [8]
- Brandeis University, Rose Art Museum, Waltham, Massachusetts, USA [16]
- University of Notre Dame, Snite Museum of Art / Raclin Murphy Museum of Art, Notre Dame, Indiana, USA
- Spencer Museum of Art, University of Kansas, Lawrence, Kansas, USA
- Wichita State University, Ulrich Museum of Art, Wichita, Kansas, USA [23]
- Hofstra University Museum of Art, Hempstead, New York, USA
- Connecticut College, New London, Connecticut, USA
- St. Mary's College of Maryland, St. Mary's City, Maryland, USA
- Kansas State University, Beach Museum of Art, Manhattan, Kansas, USA [24]
- Tabor College, Hillsboro, Kansas, USA [26]
Cultural Foundations and Research Archives
- Barjeel Art Foundation, Sharjah, United Arab Emirates [51]
- Ruth and Marvin Sackner Archives of Concrete and Visual Poetry, Miami, Florida, USA
- Egyptian Institute of Islamic Studies, Madrid, Spain
- Evans-Tibbs Collection, Washington, D.C., USA
- Antonio Gala Foundation, Córdoba, Spain
Corporate Art Collections
- Atlantic Richfield Corporation (ARCO), Los Angeles, California / Denver, Colorado, USA
- Revlon Incorporated, New York City, New York, USA
- H. J. Heinz Co., Pittsburgh, Pennsylvania, USA
- Wells, Rich, and Greene Corporation, New York City, New York, USA
- Founders Equity Corporation, New York City, New York, USA
Private collections
- Achille Bonito Oliva Collection, Rome, Italy [72]
- Emilio Mazzoli Collection, Modena, Italy
- Sidney Rothberg Collection, Philadelphia, Pennsylvania, USA [71]
- Michael Lynne Collection, New York, USA
- Giobatta Meneguzzo Collection, Malo, Italy
- Dr. and Mrs. Herbert H. Levine Collection, New York, USA
- Joan Sonnabend Collection, Boston / New York, USA
- Mr. and Mrs. Carl D. Lobell Collection, New York, USA
- Mr. and Mrs. Irving R. Segal Collection, Philadelphia, Pennsylvania, USA
- Mr. and Mrs. John L. Neu Collection, New York, USA
- Adam Lewis Collection, New York, USA [73]
- Mr. and Mrs. George Berman Collection, Pottstown, Pennsylvania, USA
Special Collections, Contemporary Foundations
- The Magic Collection Retreats, Megève, France [60]
- the FG collection, Madrid, Spain