<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/08/54ea5a8b1db6a_-_two-wooden-american-bellows-awc1006-de.jpg>
<http://www.countryliving.com/shopping/antiques/a665/bellows-1006/>