<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://esq.h-cdn.co/assets/cm/15/06/54cfb3b763466_-_receipts-signature.gif>
<http://www.esquire.com/news-politics/news/a23513/al-qaeda-regional-application-for-exemption-for-lost-receipts/>