<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/09/320x408/54eb6f503c805_-_clx050109_120_1_0-de-34265617-9590781.jpg>
<http://www.countryliving.com/home-design/decorating-ideas/advice/g1531/bookshelf-ideas/>