Vertical collage Joe TILSON Untitled Lee BONTECOU Light violet wall Guy STUART Composition Kumi SUGAÏ Untitled Lee BONTECOU Eighth stone Lee BONTECOU Abstract design John TUNNARD Sphere Howard TAYLOR Rounds in the snow John FIRTH-SMITH Green grooves Henry MUNDY Abstract construction David WIRE Night bird John HOYLAND Striving for unity Ludwig HIRSCHFELD MACK Merry go round Konrad SRZEDNICKI Composition Tuvia BEERI Individual family Ludwig HIRSCHFELD MACK Spring John OLSEN Untitled green Paul PARTOS Structure with disc Howard TAYLOR Before the dawn Owen PIGGOTT Soul of the forest Martin BRADLEY White target Jasper JOHNS Total vibration Jonny NIESCHE Experience in spring no. 2 Stanislaus RAPOTEC (Double head) Peter PURVES SMITH Design for a ciborium Jean PUIFORCAT Fantasia no. 1 Angela BRENNAN Q David McDIARMID The gamekeeper Daniel O'NEILL Centre form Roger KEMP