You might like Left Right Assembly of Square Forms Dame Barbara Hepworth 1970 Yellow Gordon House 1961 Yellows John Hoyland 1969 Yellow Bridge Roland Piché 1969 River in Red, Yellow and Blue Roland Piché 1970 Roundabout Roland Piché 1970 Summer Portrait Roland Piché 1970 Yellow and Red Spaceframe Roland Piché 1970 Bar-B.Q. Roland Piché 1972 Holland Park Roland Piché 1972 Yellow Square plus Quarter Blue William Scott 1972 Vermillion Discs onto Turquoise Square Wilhelmina Barns-Graham 1972