You might like Left Right Variable Piece No. 44 Douglas Huebler 1971 Art as an Act of Retraction Keith Arnatt 1971 Balls: The Evening Before the Morning After - Drinking Sculpture Gilbert & George 1972 Until You Find Another Yellow Schwalbe Gabriel Orozco 1995 Rocky Paul McCarthy 1976 Northern Ireland 1968 - May Day 1975 Conrad Atkinson 1975–6 Red Boris Mikhailov 1968–75, printed c.1999–2000 Oceans Apart Ingrid Pollard MBE 1989 Precarios: A Journal of Objects for the Chilean Resistance Cecilia Vicuña 1973–4 Without Title (White Frame / Black Frame) Sue Arrowsmith 1969 Field Working Paper 7 - 26th April 1972 - Porthmeor Beach, St.Ives, Cornwall Marie Yates 1972–2016 From Here I Saw What Happened and I Cried Carrie Mae Weems 1995–6