• 1953:
Abstracts at Home,
Simpson's, Toronto; • 1954: Roberts Gallery, Toronto; • 1955: Roberts Gallery, Toronto; • 1956:
Riverside Museum, New York (with the American Abstract Artists); • 1957: Park Gallery, Toronto; • 1958:
École des Beaux-Arts de Montréal; • 1959:
National Gallery of Canada, touring, 7 venues (Ronald absent); • 1960: Stable Gallery, Montreal (Cahen and Ronald absent); • 1971:
Robert McLaughlin Gallery, Oshawa, Ont.; • 1975: Tom Thomson Memorial Art Gallery, Owen Sound, Ont.; • 1976: Kitchener-Waterloo Art Gallery, Kitchener, Ont.; • 1978: The Gallery, Stratford, Ont.; • 1979: Rodman Hall, St. Catharines, Ont.; • 1979:
Painters Eleven in Retrospect. Robert McLaughlin Gallery, Oshawa, Ontario; • 1984: Cambridge Art Gallery and Library, Cambridge, Ont.; • 1992:
The Crisis of Abstraction in Canada, National Gallery of Canada, Ottawa.; • 1994 and 1995: Robert McLaughlin Gallery, Oshawa, Ont.; • 1999: Drabinsky Gallery, Toronto; • 2003: Thielsen Gallery, London, Ont.; • 2007: Thielsen Gallery, London, Ont.' • 2009: (Painters Eleven exhibition with works in animation) Christopher Cutts Gallery, Toronto; • 2010: Moore Gallery, Toronto, Ont.; • 2010:
Museum London, London, Ont.; ==Works==