https://www.psychologytoday.com/us/basics/perfectionism (links to a number of great articles and posts on topic)
https://www.psychologytoday.com/us/blog/crazy-life/201201/the-vicious-triangle-perfectionism-anxiety-depression
https://successfailureproject.bsc.harvard.edu/perfectionism
http://www.bbc.com/future/story/20180219-toxic-perfectionism-is-on-the-rise