<https://3quarksdaily.com/wp-content/legacy/6a00d8341c562c53ef013488f7e0e7970c-800wi>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://3quarksdaily.com/3quarksdaily/2010/11/in-praise-of-tea.html>