William Cowper, James Thomson (1832). “The Works of Cowper and Thompson: Including Many Letters and Poems Never Before Published in this Country. With a New and Interesting Memoir of the Life of Thomson”, p.118
"The Works of Epictetus: Consisting of His Discourses, in Four Books, the Enchiridion, and Fragments, Vol. 5". Book translated by Thomas Wentworth Higginson, Little, Brown, p. 417, 1865.