1921-26Goldsmith's School of Art, London
1929Twenty-one Gallery, London
1938Rosenberg & Helft Gallery, London
1948Hanover Gallery, London
1951Institute of Contemporary Arts, London
1952 Musée National d'Art Moderne, Paris
British Pavilion, XXVI Venice Biennale, Venice
1953Tate Gallery, London
Institute of Contemporary Art, Boston
Stedelijk Museum, Amsterdam
Kunsthaus, Zurich
Akademie der Bildenden Kunste, Vienna
1954Phillips Collection, Washington D.C.
1955Museu de Arte Moderna, São Paulo
1959Ulster Museum, Belfast
1963Welsh Committee of the Arts Council, Cardiff
1966Kunsthalle, Basel
1977National Portrait Gallery, London
1979Palazzo Reale, Milan
1982Tate Gallery, London
Imperial War Museum, London
1989Glynn Vivian Art Gallery, Swansea
1998Musée Picasso, Antibes
2003Fine Art Society, London
2004Glynn Vivian Art Gallery, Swansea
2005Dulwich Picture Gallery, London
2008Galleria d'Arte Maggiore, Bologna
2011-12Modern Art Oxford, Oxford
2013Abbot Hall Art Gallery, Kendall
2013-14Penlee House Gallery & Museum, Penzance; National Waterfront Museum, Swansea