<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/54bf51858f321_-_hbx-andy-warhol-print-library-gambrel-0214-de.jpg>
<http://www.housebeautiful.com/room-decorating/colors/g1688/paint-your-bookshelves/>