*[http://www.nytimes.com/slideshow/2008/03/03/arts/20080304_COLOR_SLIDESHOW_3.html "Colors for a Large Wall," by Ellsworth Kelly, 1951.] The New York Times.
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*[https://www.nytimes.com/slideshow/2008/03/03/arts/20080304_COLOR_SLIDESHOW_3.html "Colors for a Large Wall," by Ellsworth Kelly, 1951.] The New York Times.