<https://makingtimeformommy.com/2013/01/04/free-memory-jar-printable-from-paper-coterie/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://makingtimeformommy.com/2013/01/04/free-memory-jar-printable-from-paper-coterie/>