Steven Pinker. The Better Angels of Our Nature: Why Violence Has Declined. New York: Viking Penguin, 2011.

URL: www.coloradodaily.com/ci_13116998?source=most_viewed; www.guardiancampaign. org; www.guardiancampaign. org/guardiancity.html

David Grimm. Updated: Judge’s Ruling Grants Legal Right to Research Chimps. URL: http://news. sciencemag.org/plants-animals/2015/04/judge-s-ruling-grants-legal-rightresearch-chimps. В дальнейшем судья изменил свое решение на прямо противоположное. См.: Jason Gershman. Judge Says Chimps May One Day Win Human Rights, but Not Now. July 30, 2015, URL: http://blogs.wsj.com/law/2015/07/30/judge-says-chimpsmayone-day-win-human-rights-but-not-now