Untitled #10 (Variation 1)

Whatcom Museum of History and Art, Bellingham, Wash., American Abstraction: Works from the Washington Art Consortium Collection

Tacoma Art Museum, Wash., What Is Real? American Art, 1960–1975

Whatcom Museum of History and Art, Bellingham, Wash., American Works on Paper

Western Gallery, Western Washington University, Bellingham, The Last Five Decades

Tacoma Art Museum, Wash., Hand and Mind: Contemporary Approaches to Drawing

Western Gallery, Western Washington University, Bellingham, Stars and Stripes: American Prints and Drawings

Poindexter Gallery, Richard Diebenkorn: Drawings, 1970–71, "Ocean Park"

Tacoma Art Museum, Wash., Works on Paper: American Art, 1945–1975

Museum of Art, Washington State University, Pullman, The Artist's Hand: American Works on Paper, 1945–1975, from the Washington Art Consortium Collection

Munson-Williams-Proctor Arts Institute, Utica, N.Y., Works on Paper: American Art 1945–1975, The Washington Art Consortium Collection