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The Starry Night
http://www.moma.org/learn/moma_learning/vincent-van-gogh-the-starry-night-1889
http://www.moma.org/collection/works/79802
http://www.vangoghgallery.com/painting/starry-night.html
http://www.smithsonianmag.com/arts-culture/van-goghs-night-visions-131900002/?no-ist
https://www.cbsnews.com/news/a-brush-with-madness-vincent-van-gogh/