1961
"The Second Minnesota Biennial," The Minneapolis Institute of Arts, Minneapolis, MN, October 5-November 5; traveled to The Rochester Art Center, Winona State College, and St. John's University (all in Minnesota); juried by Hilton Kramer

1964
"Directions 1964," Vassar College Art Gallery, Poughkeepsie, NY, May 4-31; curated by Linda Nochlin
"Museum Purchase Fund Collection," a traveling exhibition organized by American Federation of Arts, New York, NY; installed at State University College, Potsdam, NY, September 24-October 15; traveled through July 1972
"8 Young Artists," The Hudson River Museum, Yonkers, NY; traveled to Bennington College, Bennington VT, October 11-25; with Carl Andre, Walter Darby Bannard, Robert Barry, Robert Huot, Patricia Johanson, Antoni Milkowski, Doug Ohlson, & Terrence Syverson; curated by E. C. Goossen
"Hard/Op," Daniels Gallery, New York, NY, December 22, 1964-January 23, 1965; curated by David Herbert

1965
"A Spring Festival of Contemporary Painting," Andrew Dickson White Museum, Cornell University, Ithaca, NY, April 13-May 16; curated by Inez Garson

1967
"Art Festival," presented by Galerie Muller, Stuttgart and Cologne, Germany
"Color, Image and Form," The Detroit Institute of Arts, Detroit, MI, April 11-May 21; curated by Gene Baro
"Structural Art," a traveling exhibition curated by Lucy Lippard and organized by American Federation of Arts: installed at University of Omaha, Omaha, NE, November 9-30, and at two other institutions

1968
"Listening to Pictures," The Brooklyn Museum, Brooklyn, NY; April 28, 1968 through 1973; organized by Arlene Jacobowitz
"The Art Of The Real, USA 1948 - 1968," The Museum of Modern Art, New York, NY, July 3-September 8; traveled to Kunsthaus Zurich, January 18-February 16, 1969; Tate Gallery, April 24-June 1, 1969; Grand Palais, Paris, November 14-December 23, 1969; curated by E.C. Goossen
"The Pure and Clear: American Innovations," Philadelphia Museum of Art, Philadelphia, PA, November 13, 1968-January 21, 1969; curated by Mrs. H. Gates Lloyd, Mrs. Bayard T. Storey, and Ms. Anne d'Harnoncourt
"The Weatherspoon Annual Exhibition/Art On Paper 1968," Weatherspoon Art Gallery, University of North Carolina, Greensboro, November 17-December 18; works selected by Gilbert F. Carpenter

1969
"A Collector's Choice, A Sales Exhibition to Benefit The City Art Museum of St. Louis," The City Art Museum, St. Louis, MO, March 1-March 16
"Concept," Vassar College Art Gallery, Poughkeepsie, NY, April 30-June 11
"Highlights of the 1968 - 1969 Art Season," The Aldrich Museum of Contemporary Art, Ridgefield, CT, June 22-September 14
"American Painting; the 1960's," a traveling exhibition selected by Samuel Adams Green and co-sponsored by Georgia Museum of Art; The University of Georgia, Athens; and American Federation of Arts, New York, NY; installed in Athens, Georgia, September 22-November 8
"Prospect 69," Städtische Kunsthalle Düsseldorf, September 30-October 12; organized by Konrad Fischer and Hans Strelow
"One Man's Choice," Dallas Museum of Art, Dallas, TX, December 14, 1969-January 18, 1970; selected by Merrill C. Rueppel
"1969 Annual Exhibition, Contemporary American Painting," Whitney Museum of American Art, New York, NY, December 16, 1969-February 1, 1970