Seneca, Aubrey Stewart, tr., Of Peace of MindArchived 2017-11-14 at the Wayback Machine, London: George Bell and Sons, 1900 (Bohn's Classical Library Edition), Book X; republished on en.wikisource.org. Retrieved 14 November 2017. Of Peace of Mind is a translation of Seneca's De Tranquillitate Animi.
Seneca, Aubrey Stewart, tr., Of Peace of MindArchived 2017-11-14 at the Wayback Machine, London: George Bell and Sons, 1900 (Bohn's Classical Library Edition), Book X; republished on en.wikisource.org. Retrieved 14 November 2017. Of Peace of Mind is a translation of Seneca's De Tranquillitate Animi.