<https://www.pewforum.org/religious-landscape-study/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.pewforum.org/religious-landscape-study/compare/attendance-at-religious-services/by/interpreting-scripture/among/importance-of-religion-in-ones-life/not-at-all-important/>