<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/PeopleAudience>
<http://www.simonandschuster.ca/books/Naoki-Urasawas-20th-Century-Boys-Vol-15/Naoki-Urasawa/20th-Century-Boys/9781421535333>