1. Grubicka, J., 2017. Restricting freedom on the internet in a public security space. East Journal of security studies, 2(2). Pp.69-71.
2. Burwell, F., 2021, Free speech and online content: What can the US learn from Europe?
3. Heyman, S.J., 2008. Hate speech, public discourse, and the first amendment. Oxford University Press, Forthcoming. Pp. 1-5.
4. Collin v. Smith, 1978. 578 F.2d 1197, 1200, 1205-6, 1210 (7th Cir. 1978); For a related state decision, see Village of Skokie v. National Socialist Party of America 373, 1977.
5. Killion, V.L., 2019. The First Amendment: Categories of Speech. P.2.