Alexander Pope (1847). “The works of Alexander Pope, with notes and illustrations, by himself and others. To which are added, a new life of the author [&c.] by W. Roscoe”, p.26
Marcus Aurelius, Epictetus, Lucius Annaeus Seneca (2015). “Stoic Six Pack: Meditations of Marcus Aurelius The Golden Sayings Fragments and Discourses of Epictetus Letters from a Stoic and The Enchiridion”, p.42, Lulu.com