<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/320x250/54bf51831a011_-_hbx-dark-blue-library-whitson-0613-de.jpg>
<http://www.housebeautiful.com/room-decorating/colors/g1688/paint-your-bookshelves/>