Sources:

https://en.m.wikipedia.org/wiki/List_of_Dewey_Decimal_classes

https://www.webpronews.com/costco-sorry-for-putting-bible-in-fiction-aisle/

For the atheist church claim:

https://seattleatheist.church

http://factschurch.com

For the study of worse child abuse in schools:

https://www2.ed.gov/rschstat/research/pubs/misconductreview/report.pdf