<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://toc.h-cdn.co/assets/cm/14/37/980x635/540f8c7e89341_-_2784_258_raoul-dufy-lavenue-du-bois-de-boulogne-lg.jpeg>
<http://www.townandcountrymag.com/leisure/arts-and-culture/reviews/g226/the-exhibitionist-impressionist-and-modern-art-sales-raoul-dufy/>