<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/980x551/54c1608b4ab9a_-_freezer-binder-zab38f-de.jpg>
<http://www.housebeautiful.com/lifestyle/organizing-tips/news/g1801/binder-clip-hacks-goodhousekeeping/>