<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbz.h-cdn.co/assets/cm/15/04/980x980/54bdcaf2c8b44_-_hbz-the-list-joan-mitchell.jpg>
<http://www.harpersbazaar.com/culture/art-books-music/advice/g4609/spring-2014-art-exhibitions/>