<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/08/54ea7a9fd4ba6_-_western-electric-3.jpg>
<http://www.womansday.com/life/a522/a-look-back-15-vintage-household-ads-66533/>