<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://toc.h-cdn.co/assets/cm/14/37/980x635/540f7f69f21cd_-_01-tcx-diego-della-valle-on-boat-1012-afar5o-promo_xl-lg.jpg>
<http://www.townandcountrymag.com/society/g84/photos-of-diego-della-valle-boat/>