<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/640x445/54c165f2e2641_-_07-hbx-neon-index-cards-de.jpg>
<http://www.housebeautiful.com/lifestyle/kids-pets/g1837/cool-school-supplies/>