<http://schema.org/sameAs>
<http://www.twitter.com/WHSmith>
<http://www.whsmith.co.uk/products/the-universal-code-of-formerly-unwritten-rules-from-airline-armrest-etiquette-to-flushing-twice-251-universal-laws-of-common-civility-that-we-wis/9781440527302>