<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/24/320x240/5578aebbe7010-issors-deer-print-how-to-make-an-envelope-0412-mdn-20285243.jpg>
<http://www.countryliving.com/diy-crafts/how-to/g1281/how-to-make-an-envelope/>