http://griefbeyondbelief.org/atheist-grief-research/
https://decorative-urns.com/cremation-blog/managing-grief/atheism-and-grief-coping-with-loss/
https://www.huffpost.com/entry/atheists-death_b_4134439
https://www.theguardian.com/commentisfree/2013/sep/26/atheist-grieving
https://www.amazon.com/Godless-Grief-Atheist-Discussion-Family/dp/1449550762
https://www.salon.com/2015/10/24/please_stop_telling_me_my_daughter_is_in_heaven/