What can literature tell us about how individuals dealing with death regarding the trauma when someone passes away?

I need a paragraph or two for each of the sources it is a research paper on this
here is a reference

https://learn-us-east-1-prod-fleet01-xythos.s3.us-east-1.amazonaws.com/5c1754ad402d4/13370053?response-content-disposition=inline%3B%20filename%2A%3DUTF-8%27%27Literary%2520Research%2520Paper%2520Example%25201%25281%2529%25281%2529.pdf&response-content-type=application%2Fpdf&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20200420T155939Z&X-Amz-SignedHeaders=host&X-Amz-Expires=21600&X-Amz-Credential=AKIAZH6WM4PLTYPZRQMY%2F20200420%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Signature=e3f45bea4003d36cfd24df41552b1ddd13d15e7e035aa7fd9440086df0e97fca