Study of Adverse Childhood Experiences from the CDC: https://www.cdc.gov/violenceprevention/acestudy/
Types of Trauma and Violence from SAMHSA: http://www.samhsa.gov/trauma-violence/types
Autumn 2016 letter to first-year students at University of Chicago:
Some responses:
U. of Chicago’s Condemning of Safe Spaces and Trigger Warnings Reignites Debate
Trigger Warning: Elitism, Gatekeeping, and Other Academic Crap
Parsing the University of Chicago Letter
What ‘Safe Spaces’ Really Look Like on College Campuses