<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://digitalspyuk.cdnds.net/13/20/980x490/landscape_ustv-abc-agents-of-shield.jpg>
<http://www.digitalspy.com/tv/agents-of-shield/news/a499834/marvels-agents-of-shield-at-comic-con-panel-blog/>