Birmingham Museum of Art, Crucifera IV (1965)
Phoenix Art Museum, Tree with Crown Red (1955)
Arizona State University Art Museum, Nelson Fine Arts Center, Vertical Horizontal Oblique Lines—Bronze (1980)
Crystal Bridges Museum of American Art, One Fixed Four Jointed Lines Biased (1988-1991)
South Coast Metro, Center Towers, Four Lines Oblique Gyratory Square IV (1973)
La Jolla Museum of Contemporary Art, One Up One Down Excentric IV (1978)
Long Beach Museum of Art, Two Lines Up Spread (197l)
Los Angeles County Museum of Art, Four Lines Oblique Gyratory Square (1973)
Murphy Sculpture Garden, Hammer Museum, UCLA, Two Lines Oblique Down III (1970)
Museum of Contemporary Art, Nuages II (1962) and Two Lines Down Eighteen Feet (1972)
The Sondra and Marvin Smalley Sculpture Garden, American Jewish University, Two Open Triangles Up Gyratory II (1982)
2Oth Century Fox, Column of Four Squares Excentric Gyratory II, Variation I (1989)
The J. Paul Getty Museum, Three Squares Gyratory (1972-1975)
520 Newport Center, The Irvine Company, Three M's and One W III (1989)
The Soroya Center for Performing Arts, California State University, Two Up Two Down (1967-1968)
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Oakland Museum of California, Two Red Lines II (1966-1967)
Ralph M. Parsons Foundation, Two Open Rectangles Excentric VII, Triangular Section (1977)
Art Center College of Design, Two Lines Leaning IV (1972)
Koll Company, Two Rectangles Vertical Gyratory Up V (1987)
May S. Marcy Sculpture Garden, San Diego Museum of Art, Two Lines Oblique (1970-1972)
Bank of America, Four Open Squares Horizontal II (1986)
City of San Francisco, Main Public Library, Civic Center Plaza, Double L Excentric Gyratory (1982)
The Jewish Museum, Menorah (1995)
Sydney G. Walton Square, Two Open Rectangles Excentric VII, Triangular Section (1977)
560 Mission Street, Annular Eclipse Sixteen Feet II (1999-2000)
Santa Barbara Museum of Art, Diptych The Seasons--Standing (1956), Two Lines Horizontal (1967), Two Planes Vertical Horizontal II (1970), and Six Random Lines Excentric II (1992-1999)
University of California Art Museum, Annular Eclipse (1999-2000) and Two Lines Horizontal (1967)
Stanford University, Space Churn Red (1968)
Runnymede Sculpture Farm, Triple N IV Gyratory (1988)
Museum of Outdoor Art, Two Open Trapezoids Excentric V (1978)
Greenwich Library, Two Lines Up Oblique (1977)
Yale University Art Gallery, Two Planes Vertical Horizontal II (1968-1970)
Connecticut College, Two Lines Oblique (1967-1969)
American University, Peristyle III (1966)
Smithsonian Institution, American Art Museum, Hierarchy (1953), Flag Waving Machine II Table Model #2 (1954), Twenty-Four Lines (1968-1969), and Etoile VII (1983)
Smithsonian Institution, Hirshhorn Museum, Summer III (1962-1963) and Three Red Lines (1966)
National Gallery, Divided Square Oblique II (1981), and Cluster of Four Cubes (1992)
The Kreeger Museum, Two Lines Oblique Down III (1970)
Lynn Museum, Divided Quadrilateral I (1976)
Jackson Memorial Hospital, Two Conical Segments Gyratory Gyratory III (1980)
Miami Art Museum, Two Planes Vertical Horizontal III (1973)
Philharmonic Center for the Arts, Two Open Squares Diagonal Gyratory II (1989)
Vero Beach Museum of Art, Annular Eclipse VII (2000)
Norton Museum of Art, Six Random Lines Excentric (1993)
The Coca Cola Company Headquarters, Triple L Excentric Gyratory Gyratory II (1980)
High Museum of Art, Two Lines Oblique Atlanta (1969-1973)
Museum of Arts and Sciences, Four Trapezoids as Two Rectangles Gyratory V (1987)
Academy of Arts, Lumina V (1969)
Federal Court House, Two Open Rectangles Excentric Honolulu (Triangular Section) (1976)
Museum of Art, Two Open Triangles Up Gyratory (1982) and Breaking Column (1988)
Museum of Contemporary Art, Aspen II (1954), Two Lines Oblique (1968), and Two Broken Lines (1972)
Knox College, The Offer of Education (1940-1941, mural)
Lake Forest College, Four Rectangles Oblique II (1972-1975)
General Wayne A. Downing Peoria International Airport / Metropolitan Airport Authority of Peoria, Two Open Rectangles Excentric VI, Square Section (1976)
Farnsworth House, National Trust for Historic Preservation, Six Rectangles Biased (1974)
Eskenazi Museum of Art, Indiana University, Landscape II (1963)
Fort Wayne Museum of Art, Twenty-Four Lines (1968)
Indianapolis Museum of Art, No Cybernetic Exit (1954) and Two Lines Oblique Down III (1970)
Beth-El Synagogue, Two Open Triangles Up Gyratory IV (1982)
Snite Museum, University of Notre Dame, Two Lines Oblique (1967-1968), Two Conical Segments Gyratory Gyratory II (1979), and Two Open Triangles Up Gyratory (1982)
South Bend Regional Museum of Art, 1998, Dialogue (1998)
Stanley Museum of Art, University of Iowa, Four Rectangles Oblique II (1972-1975) and Two Lines Oblique Twenty-Five Feet (1967-1969)
Edwin A. Ulrich Museum of Art, Wichita State University, State University, Two Lines Oblique Down III (1970)
University of Kentucky, Two Lines Oblique Up (1967-1969)
New Orleans Museum of Art, Triptych (1956) and The Family (1956)
Sidney & Walda Besthoff Sculpture Garden, New Orleans Museum of Art, Four Lines Oblique Gyratory Square (1973)
Newcomb Art Museum, Tulane University, Two Open Rectangles Horizontal IV (1983)
Baltimore Museum of Art, Seesaw and Carousel II (1955), Four Lines Contrapuntal (1967), and Space Churn with Spheres III (1972)
Amherst College, Two Lines Oblique Down III (1970)
Phillips Academy, Two Open Triangles Up (Non-Gyratory) (1982)
Addison Gallery, Phillips Academy, Waterplant (1959-1961) and Two Open Rectangles Excentric IV (1975-1976)
Museum of Fine Arts, Red Vine (1966)
The Boston Athenaeum, Crucifera II (Standing) (1962)
The Park School, Space Churn with Spheres II (1971)
Eaglebrook School, Space Churn Steel (1968)
deCordova Museum, Three Lines Eighteen Feet (1965-1966)
Smith College Museum of Art, Smith College, Four Lines Oblique Gyratory Rhombus (1972), Two Lines Leaning IV (1972), and Forty-Three Squares, Vine Variation (1974)
Berkshire Museum, Sunflower (1960) and Four Lines Oblique With Z I (1975)
Williams College Museum of Art, Williams College, Eight Lines III (Sketch for 24 Lines) (1963), Double L Excentric Gyratory II (1981)
Loutit Lecture Halls, Grand Valley State University, Six Lines Hanging IV (1972)
University of Michigan, Two Open Triangles Up Gyratory II (1982)
Kellogg Company Corporate Headquarters, Triple L Excentric Gyratory Gyratory II (1980)
Detroit Institute of Arts, Column V (1965), Landscape V (1966), and Two Lines Oblique Down III (1970)
Kresge Art Museum, Michigan State University Four Rectangles One Square III (1972)
Flint Institute of Arts, Column I (1962) and Two Lines Oblique Down II (1969-1970)
Frederik Meijer Gardens and Sculpture Park, Four Open Squares Horizontal Gyratory Tapered (1984) and Five Lines Diagonal Jointed II (1989)
Kalamazoo Institute of Arts, Four Lines Oblique Gyratory Square IV (1973)
Olivet College, Two Open Rectangles Diagonal Jointed III Wall (1989) and Untitled mural, Dole Hall (1938-1939)
Krasl Art Center, Three Lines Diagonal Jointed Wall (1984)
Minnesota Landscape Arboretum, Four Open Rectangles Diagonal Jointed II (1986)
Walker Art Center, Two Planes Horizontal (1966-1967)
Minneapolis Institute of Art, Sedge II (1961) and Two Up One Down Contrapuntal (1966)
Frederick R. Weisman Art Museum, University of Minnesota, Six Squares, One Rectangle (1967)
Nelson-Atkins Museum of Art, Four Planes Hanging I (1966) and Two Planes Vertical Horizontal (1968-1969)
Laumeier Sculpture Park, Peristyle II, Variation II (1967) and One Up One Down Excentric with Acute Angle IV (1983)
St. Louis Art Museum, Two Open Triangles Up Gyratory II (1982)
Mary Institute and St. Louis Country Day School, Two Lines Oblique (1969)
Citygarden Sculpture Park, Four Rectangles Oblique IV (1979)
University of Nebraska, Six Lines in a Column (1967) and Unstable Column III (1968-1970)
Dartmouth College Museum, Dartmouth College, Two Lines Oblique Down VI (1976)
Keene State College, Landscape III Variation II (1964)
Montclair Art Museum, Windflower (1959)
The Newark Museum of Art, Six Lines Extended Horizontal (1966)
Princeton University, Two Planes Vertical Horizontal II (1970)
New Jersey State Museum, Two Lines Eighteen Feet (Two Lines Temporal II) (1970)
Division of Employment Building, Harriman State Office Campus, Six Lines in Parallel Planes (1967)
Empire State Plaza, Two Lines Oblique (1971)
Albany Institute of History and Art, Etoile V (1978)
Albany Airport, Four Triangles Hanging (1974)
Albright-Knox Art Gallery, Peristyle: Five Lines (1963-1964)
St. Lawrence University, Cluster of Four Cubes (1992)
Storm King Art Center, Six Lines in a T (1965-1966), Two Planes Vertical Horizontal II (1970), and Five Open Squares Gyratory Gyratory (1981)
Whitney Museum of American Art, Omaggio a Bernini II (1958), Two Lines Eighteen Feet (1965), and Column VI (1965)
The Metropolitan Museum of Art, Space Churn with Triangles (1969)
Museum of Modern Art, Two Lines Temporal I (1964)
Guggenheim Museum, Two Open Rectangles Excentric VI, Square Section (1976)
News Corp (1211 Avenue of the Americas), Annular Eclipse Sixteen Feet I (1998)
The Frances Lehman Loeb Art Center, Vassar College, Espalier (1960), Nine Rotors Six Cylinders (1965), and Open Trapezoids One Up One Down (1981)
Neuberger Museum, SUNY Purchase, Two Lines Oblique Down II (1969-1970)
The Donald M. Kendall Sculpture Gardens, PepsiCo Headquarters, Double L Excentric Gyratory II (1981)
University of Rochester, Two Lines Up Excentric Twelve Feet (1994)
Tang Teaching Museum, Skidmore College, Double L Excentric Gyratory VII (1994)
Emma Willard School, Etoile XI (1988)
Rensselaer Polytechnic Institute, One Fixed Three Moving Lines Wall III (1984) and Six Random Lines Excentric (1993)
Weatherspoon Art Gallery, University of North Carolina, Two Lines Oblique Seven Feet (1976)
North Carolina Museum of Art, Persephone I (1960)
Cincinnati Art Museum, Three Fixed Three Moving Lines (1970)
PNC Tower, Two Rectangles Vertical Gyratory IV (1978)
University of Cincinnati, Five Lines in Parallel Planes II (1965)
PNC Center, Triple L Excentric Gyratory Gyratory II (1980)
BP America, Inc. (formerly The Standard Oil Company), Etoile VIII (1983)
Columbus Museum of Art, Two Lines Up Excentric VI (1977)
Dayton Art Institute, Two Lines Oblique Seven Feet (1976)
The Toledo Museum of Art, Triple N III Gyratory (1988)
Kentuck Knob--Frank Lloyd Wright House, Three Right Angles Horizontal IV (1992)
Drexel University, Two Open Triangles Leaning Gyratory (1982)
Morris Arboretum, University of Pennsylvania, Two Lines Variable Thirty Feet (1988)
Carnegie Museum of Art, Two Slender Lines Excentric (Two Lines Up Excentric VI) (1977)
Center for the Arts, Albright College, Open Rectangle Horizontal Floating (1992)
Post Office, Susquehanna Trail (1939, mural)
Pennsylvania State University (loan), Breaking Column III (1993-2001)
Brooks Museum of Art, Two Lines Oblique Up (1968-1969)
Cheekwood, Tennesee Botanical Garden and Museum of Art, One Line Horizontal Floating (1994)
Dallas Museum of Arts, U.N. II (1954-1960)
Meadows Museum, Southern Methodist University, Two Open Rectangles Horizontal Dallas (1984)
Fort Worth City Hall, Twelve Triangles Hanging (1973-1974)
Modern Art Museum of Fort Worth, Fifteen Rotors with Malachite (1970) and Lumina Gyratory II (1970)
The Marion Koogler McNay Art Museum, Horizontal Column of Five Squares II Excentric (1994)
Middlebury College, Two Open Rectangles Excentric VI, Square Section (1976)
City of Bellingham, Two Lines Oblique Bellingham, 1971
Whatcom Museum of History and Art, Broken Line Vertical--Three Parts (1974)
Seattle Art Museum, Two Planes Vertical Horizontal III (1973)
Federal Reserve Building, L's One Up One Down Excentric (1982)
Clay Center for the Arts and Sciences, Unstable Rhombus and Square (1981)
Huntington Museum of Art, Four Lines Oblique Gyratory Square (1973-1976)
Albertina Museum, Four Lines Oblique (1969-1970) and Oblique Column of Twelve Open Squares III (1980)
Fondation Veranneman, Two Lines Oblique Down II (1969-1970), Two Trapezoids as One Rectangle Gyratory (1986), and Triple W with Cubes (1987)
York University, Four Squares in a Square (1969-1970)
Louisiana Museum of Modern Art, One Up One Down Oblique IV (1974) and Annular Eclipse IV (1999)
Veksølund, Two Planes Vertical Horizontal III (1973)
Musée de Grenoble, Conversation (1991)
Harald Quandt Haus, Double L Excentric Gyratory Pond (1984)
Kunsthalle der Stadt, Two Lines Oblique Down II (1969-1970)
Berlinische Galerie, Four Lines in a T Fifteen Feet (1985) and Four Planes Hanging (1968)
Trigon Building, Faceted Column (1992-1994)
Freie Universität, Two Rectangles Vertical Gyratory Down (1970)
Neue Nationalgalerie, Four Planes Vertical (1966-1969), Four Squares in a Square (1969), and Column of Six Lines with Gimbals (1975)
Kulturstiftung Hartwig Piepenbrock, Four Open Rectangles Diagonal Jointed Gyratory II (1988)
Ruhr-Unversität, Two Open Rectangles Excentric VII Triangular Section (1977)
DAAD (Deutscher Akademischer Austauschdienst) Headquarters, Two Lines Oblique Up (1967-1968)
City of Cologne/Köln, Farina Park, Four Trapezoids as Two Rectangles IV (1987)
City of Cologne/Köln, Justizzentrum, Four Lines Oblique Gyratory Rhombus III (1988)
City of Cologne/Köln, Portz, Triple L Excentric Gyratory Gyratory (1981-1982)
Ministry of Labor, Three Open Triangles Horizontal Gyratory (1993-1995) and Breaking Column III (1993)
Lehmbruck Museum, Two Conical Segments Gyratory Gyratory IV (1980)
City of Düsseldorf, Nordpark, Five Lines in Parallel Planes (1965)
Henkel GmbH, Four Lines Oblique Gyratory (1968)
Landtag Nordrhein-Westfalen, One Up One Down Excentric Thirty-Two Feet (1982)
Kunsthalle-Emden, Two Open Rectangles Diagonal Jointed II Wall (1989)
Wavetek, Wandel & Goltermann GmbH, Column of Four Squares Excentric Gyratory II Variation I (1989)
Siemens Forschungszentrum, Two Lines Temporal II (1965)
Goethe Universität, Four Rectangles Oblique IV (1979-1985)
Hessischer Rundfunk, Three Lines Diagonal Jointed Wall (1984)
Staedal Museum, Four Lines Oblique Gyratory II (1972)
Max Planck Institut, Four Lines Oblique Gyratory Square IV (1973)
Fachhochschule Fulda, Two Fixed Two Moving Lines Asymmetric (1982)
City of Gelsenkirchen, Two Planes Vertical Horizontal II (1970)
Kunstmuseum Gelsenkirchen, One Up One Down Gimbaled Wall (1990)
Technische Hochschule Mittelhesse, Two Lines Up Oblique II (1979)
Hermannsdorfer Landwerkstatt. Schweisfurth-Foundation, One Line Horizontal Floating Thirty Feet (1998)
Fiege Logistik, Three Rectangles Horizontal Jointed Gyratory II (1990)
Staatliche Galerie, Moritzburg Halle, Eight Lines with Spirals Hanging (1994-1995)
Hamburger Kunsthalle, Twenty-Four Lines (1963)
City of Hannover, Two Lines Oblique (1967-1969)
Neues Medizinsches Institut, Three Squares Gyratory II (1971)
Christian Albrechts University of Kiel, Two Lines Up Excentric V (1976)
School for Ministry of Labor, Two Lines Excentric Jointed with Six Angles (1986-1993)
Wilhelm Hack Museum, Conversation (1991)
Kunsthalle Mannheim, Two Open Triangles Up Wall II (1982)
City of Munich, Space Churn with Spheres (1969-1970)
Pinakothek der Moderne, Broken Line II (1967) and Four Lines Oblique IV (1974)
Museum Brandhorst, Two Lines Broken Wall (1968)
Bayerische Hypotheken-und-Wechsel-Bank, AG, Forty Triangles in Three Movements (1981)
Kunsthalle Münster, Three Squares Gyratory II (1973-1975)
Richard-Wagner-Platz, Ministry of Labor, Breaking Column III (1993)
Museum Gegenstandsfreier Kunst, Two Lines Horizontal II (1972-1973)
Staatliche Museum, Two Lines Horizontal Gyratory (1982)
Mercedes-Daimler-Benz Headquarters, Two Lines Excentric Jointed with Six Angles (1989)
Kunstpfad Universität Ulm, Four Open Rectangles Excentric Gyratory Gyratory (1976)
The Hebrew University of Jerusalem, 197l, Two Lines Oblique Jerusalem (1971)
Tel Aviv Museum of Art, Delta Theme with Two Lines (1976)
Kanagawa Prefectural Museum of Art, Etoile (1958-1964)
Shiga Prefecture, Two Lines Oblique Gyratory II (1989-1999)
Hyogo Prefectural Museum, Two Lines Up Thirty Feet (1988-1998)
Benesse Art Site, Four Lines (1978-1988), Three Squares Vertical Diagonal (1978) and Peristyle V (1994-1995)
Okayama Prefecture Museum of Art, Four Planes Hanging (1990)
Kansai University, Two Trapezoids as One Rectangle II (1992)
National Memorial Museum of Expo '70, Space Churn with Squares (1969)
National Museum of Fine Art (sculpture located at Osaka University) Triple L Excentric Gyratory Gyratory IV, 1985
Shizuoka Museum, Four Lines Oblique Gyratory Rhombus II (1976)
Hara Museum of Contemporary Art, Wall Ripple II (c. 1961)
Hakone Open-Air Museum, Two Lines Vertical (1965-1976)
Tokyo City Hall, Three Rectangles Horizontal Jointed Gyratory III (1990) and Column of Four Squares Excentric Gyratory III (1990)
Wakyama Prefectural Museum of Modern Art, Two Open Rectangles Diagonal Jointed (1984)
Groupo Televisa, S.A.B Headquarters, Two Conical Segments Gyratory Gyratory (1979)
Auckland Art Gallery, Double L Excentric Gyratory (1985)
Gibbs Farm, Two Rectangles Vertical Gyratory Up V (1987) and Column of Four Squares Excentric Gyratory III (1990)
Seoul, Seoul Olympics Museum of Art (SOMA), Two Lines Oblique Up 120 Degrees (1969-1988)
Kunstmuseum Bern, Forty-Eight Squares Two Cubes (1969)
Wolfsberg Konferenzzentrum, Four Trapezoids as Two Rectangles (1989)
Union Bank of Switzerland, Two Rectangles Vertical Gyratory Up III (1970)
Schiphol Airport, Two Vertical Two Horizontal Lines (1974)
Rijksmuseum Kröller-Müller, Two Vertical Three Horizontal Lines (1966), Unstable Cube II (1968) and L's One Up One Down Excentric II (1981)
Museum Boijmans Van Beuningen, Two Lines Oblique Up (1967-1969)
City of Rotterdam, Two Rectangles Vertical Gyratory (1969)
Theater Rotterdam Schouwburg, Three Breaking Columns (1986-1989)
City of Schiedam, Beatrixpark, Horizontal Column of Five Squares II Excentric (1994)
Tate Galleries, N Lines Horizontal Hanging I (1967) and Four Rectangles Oblique Bronze (1974)
Royal Trinity Hospice, Four Open Squares Horizontal Gyratory Tapered (1984)
Holywell Manor Garden, Balliol College, Oxford University, Two Planes Vertical Horizontal II (1970)
Scottish National Gallery of Modern Art, Two Lines Up Excentric VI (Two Slender Lines Excentric) (1977)
Maggie Keswick Jenck's Cancer Caring Centre, Triple L Excentric Gyratory Gyratory III (1980)
University of Glasgow, Three Squares Gyratory (1972-1975)
The Hill House, The National Trust for Scotland, Five Open Rectangles Diagonal Jointed Gyratory (1996)
Glenalmond College, One Fixed Three Moving Lines Wall (1991)
University of Stirling, One Rectangle Excentric (1975-1998)
