<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/09/480x552/54eb5c4cea1df_-_botanical-interest-seed-sources-xln.jpg>
<http://www.countryliving.com/gardening/garden-ideas/tips/g1276/best-seed-sources/>