1. Remarks by President Biden on gun violence prevention. White House briefing, 8 April 2021. https://whitehouse.gov/briefing-room/speeches-remarks/2021/04/08/remarks-by-president-biden-on-gun-violence-prevention.
2. Levine PB, McKnight R. Three million more guns: the spring 2020 spike in firearm sales. Brookings Institute. 13 July 2020. www.brookings.edu/blog/up-front/2020/07/13/three-million-more-guns-the-spring-2020-spike-in-firearm-sales.
3. NRA. 8 April 2021. https://twitter.com/NRA/status/1379954342824964101
4. Kevin McCarthy. 8 April 2021. https://twitter.com/GOPLeader/status/1379950305350127616.