Home Art Collection Works Collection Search Advanced search Works cited in the document Off the Wall / In the Air: A seventies selection 1991 (10) works on display (1) works with images (7) Filter by: Collection area Origin Media Date/period Artist A–Z Sort by: artist surname oldest first (excludes undated works) newest first (excludes undated works) title image availability accession number Mike ParrPeter Kennedy Idea demonstrations 1972 13.1974 On display – Naala Nura, lower level 1, 20th-century galleries