Museums and Academic Institutions
- Tate Gallery, London, United Kingdom [1]
- Harvard University, Fogg Art Museum, Cambridge, Massachusetts, USA [2]
- Brooklyn Museum, New York City, New York, USA [3]
- Stanford University, Cantor Arts Center, Stanford, California, USA [4]
- Corcoran Gallery of Art, Washington, D.C., USA [5]
- Thyssen-Bornemisza Collection, Lugano, Switzerland [6]
- Centre national des arts plastiques — CNAP, Paris, France [7]
- Dartmouth College, Hood Museum of Art, Hanover, New Hampshire, USA [8]
- Gibbes Museum of Art, Charleston, South Carolina, USA
- Storm King Art Center, Mountainville, New York, USA [10]
- MAMCO — Musée d'art moderne et contemporain, Geneva, Switzerland [11]
- University of Notre Dame, Snite Museum of Art, Raclin Murphy Museum of Art, Notre Dame, Indiana, USA
- Figge Art Museum, Davenport, Iowa, USA [13]
- Wichita Art Museum, Wichita, Kansas, USA [14]
- McNay Art Museum, San Antonio, Texas, USA [15]
- Brandeis University, Rose Art Museum, Waltham, Massachusetts, USA [16]
- Sursock Museum, Beirut, Lebanon
- Spencer Museum of Art, University of Kansas, Lawrence, Kansas, USA
- Museion, Museum of Modern and Contemporary Art of Bolzano, Bolzano, Italy [19]
- Mississippi Museum of Art, Jackson, Mississippi, USA
- Hofstra University, Hempstead, New York, USA
- Connecticut College, New London, Connecticut, USA
- Wichita State University, Ulrich Museum of Art, Wichita, Kansas, USA
- Kansas State University, Beach Museum of Art, Manhattan, Kansas, USA [24]
- St. Mary's College of Maryland, St. Mary's City, Maryland, USA
- Tabor College, Hillsboro, Kansas, USA [26]
- Quadrat Museum, Josef Albers Museum Quadrat, Bottrop, Germany [27]
- Egyptian Institute of Islamic Studies, Madrid, Spain
- Civic Museum of Gibellina, Sicily, Italy
- Casablanca Museum, Malo, Italy
Foundations, collections and corporate assets, sites
- Barjeel Art Foundation, Sharjah, United Arab Emirates [51]
- Evans-Tibbs Collection, Washington, D.C., USA
- Ruth and Marvin Sackner Archives, Miami, Florida, USA
- The Outdoor Sculpture Collection & John Jay Park, City of New York, New York City, New York, USA [54]
- Atlantic Richfield Corporation — ARCO, Los Angeles, California / Denver, Colorado, USA
- H. J. Heinz Co., Pittsburgh, Pennsylvania, USA
- Revlon Incorporated, New York City, New York, USA
- Wells, Rich, and Greene Corporation, New York City, New York, USA
- Founders Equity Corporation, New York City, New York, USA
- The Magic Collection Retreats, Megève, France [60]
Private collections
- Sidney Rothberg Collection, Philadelphia, Pennsylvania, USA [71]
- Achille Bonito Oliva, Roma, Italy [72]
- Giobatta Meneguzzo Collection, Malo, Italy