<https://www.pewresearch.org/religion/religious-landscape-study/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.pewresearch.org/religion/religious-landscape-study/compare/frequency-of-participation-in-prayer-scripture-study-or-religious-education-groups/by/belief-in-hell/among/state/mississippi/>