<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/ContactPoint>
<http://www.christianbook.com/politics-rediscovering-revolutionary-nature-teachings-corrupted/obery-hendricks/9780385516655/pd/516655?item_code=WW&netp_id=473338&event=EBRN&show_all_cr=1>