1. Gun-Free Zones Act of 1990. US Congress, and the United States of America; 1990 p. 4844–5.
2. Gun-Free Zones Act of 1990. National Criminal Justice Reference Service; http://www.ncjrs.gov/App/publications/abstract.aspx?ID=140617%0A Accessed Mar 2023
3. The Effects of Gun Free Zones. RAND Corp. 2020. https://www.rand.org/research/gun-policy/analysis/gun-free-zones.html Accessed Mar 2023
4. Lott J. How gun-free zones invite mass shootings: Chicago Trib; 2018. https://www.chicagotribune.com/opinion/commentary/ct-perspec-mass-shooters-russia-public-shootings-thousand-oaks-mercy-hospital-chicago-1121-story.html. Accessed Apr 2023
5. The challenges of defining and measuring defensive gun use . 2018. https://www.rand.org/research/gun-policy/analysis/essays/defensive-gun-use.html. Accessed Mar 2023