<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x426/54cb00b01b851_-_viking-tools-08-1212-de.jpg>
<http://www.popularmechanics.com/home/tools/reviews/g1024/whats-inside-a-viking-tool-chest/>