<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://digitalspyuk.cdnds.net/11/16/550w_showbiz_elisabeth_sladen_1.jpg>
<http://www.digitalspy.com/tv/doctor-who/news/a528557/doctor-who-anniversary-tom-baker-talks-the-50th-and-fandom/>