You might like Left Right Colour Structure 1 (trial proof) David Leverett 1971 [no title] David Leverett 1973 [no title] David Leverett 1973 Shift Open David Leverett 1975–7 Historical Utopias (revisited) David Leverett 1977–8 Lost Horizons David Leverett 1977–8 Spring David Leverett 1971–2 Summer David Leverett 1971–2 Autumn David Leverett 1971–2 Winter David Leverett 1971–2 Lost Messages David Leverett 1977–8 Salient Features David Leverett 1977–8