<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbz.h-cdn.co/assets/cm/15/06/640x320/54d115c684390_-_hbz-letterman-lead.jpg>
<http://www.harpersbazaar.com/culture/film-tv/videos/a2018/david-letterman-leaving-late-night/>