2021-09-08 ■ Pinker, Steven, 2011, The Better Angels of Our Nature: Why Violence Has Declined, Viking Books.(幾島幸子・塩原通緒訳,2015,『暴力の人類史 下巻』青土社.)
2021-08-30 ■ Pinker, Steven, 2011, The Better Angels of Our Nature: Why Violence Has Declined, Viking Books.(幾島幸子・塩原通緒訳,2015,『暴力の人類史 上巻』青土社.)