You might like Left Right Letter I [Memoriam Residence] Ian Tyson 1971 Letter III [Noh Raid] Ian Tyson 1971 Screen I Robert Adams 1962–3 Begetting Green Jack Shadbolt 1967–8 Special Green Gordon Appelbe Smith 1967–8 Untitled Timothy Drever 1969 Untitled Rory McEwen 1969 Geometry? Joe Tilson 1965 Ziggurat 6 Joe Tilson 1966 Red Assembly Brian Rice 1964 Structure Brian Rice 1965 Rougey William Henderson 1979