<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x240/54ca5c85654f6_-_work-boots-08-0212-de.jpg>
<http://www.popularmechanics.com/home/reviews/g94/work-boots-to-kick-every-job-in-the-teeth/>