La Vouva Citta, Brescia, Italy
1978
Omaggio a Mark Tobey , Galleria Navigliovenezia, Venice, Italy
1979
Mark Tobey. Graphics, Museum of Art, Indianapolis
1982
Galerie Jacqueline Schotland, Basel, Switzerland
1983
Galerie Vömel, Düsseldorf, Germany
Tribute to Mark Tobey, Goldman-Kraft Gallery, Chicago
1984
Mark Tobey - City Paintings, Retrospective at the National Gallery of Art, Washington
1985
The Contemporary Art Gallery, Seibu, Tokyo, Japan
1986/87
Mark Tobey. Tempera, Gouaches, Aquarelle, Zeichnungen, Erker-Galerie, St. Gallen, Switzerland
1987
Mark Tobey. Graphische Arbeiten, Baukunst-Galerie, Cologne, Germany
Galerie Giancarlo Apicella, Bonn, Germany
1988
Mark Tobey, Hachmeister Galerie, Münster, Germany
Mark Tobey - A New Look, Cheney Cowles Museum, Spokane
1989
Mark Tobey. Between worlds. Opere 1935-1975, Retrospective at the Museo d'Arte, Mendrisio, Switzerland, and the Museum Folkwang, Essen, Germany
Galerie Döbele, Stuttgart, Germany