<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb8a8d52e03_-_sony-reader-pocket-edition-prs-350pc-mdn.jpg>
<http://www.womansday.com/life/entertainment/g408/5-popular-ereaders-117230/>