<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://digitalspyuk.cdnds.net/12/20/980x653/gallery_uktv_stephen_moffat_greatest_work_gallery_4.jpg>
<http://www.digitalspy.com/tv/doctor-who/news/a467969/steven-moffat-on-doctor-who-im-nearer-the-end-than-the-beginning/>