Flag for the city of Sydney Ken WHISSON (Untitled) Harvey QUAYTMAN Pilot Dick WATKINS Etude Friedrich VORDEMBERGE-GILDEWART Skytotem II Anton HOLZNER Abstract painting Grace CROWLEY Il miracolo Yvonne AUDETTE Curved forms Barbara HEPWORTH Abstract design John TUNNARD Red place painting with form James CLAYDEN Over blue Gunter CHRISTMANN Facade I Simon BLAU Study of time I Boyd TURNER Concept 3-4-7 Joe FELBER Study for Acrobats Albert GLEIZES Cadenza Len CRAWFORD Halo John VICKERY Untitled Harvey QUAYTMAN The Location of Lines Sol LEWITT Incomplete Open Cubes Sol LEWITT 49 three-part variations using three different kinds of cubes/ 1967–68 Sol LEWITT Planes of perception Erica McGILCHRIST Yet not so far (James Joyce) Robert JACKS Taiping John FIRTH-SMITH Pink smoke stone Gunter CHRISTMANN Lakes and Bridges No 19 Karl WIEBKE Cantata no. 12: The journey Yvonne AUDETTE Painting '10' Trevor VICKERS Sphere Howard TAYLOR Study for "Search" Bridget RILEY