Griffin, M. T. 1974. “Imago vitae suae.” In Seneca, ed. C. D. N. Costa, pp. 1–38. London: Routledge and Kegan Paul.
. 1976. Seneca: A Philosopher in Politics. Oxford: Oxford University Press / Clarendon Press.
. 1986. “Philosophy, Cato and Suicide.” Greece & Rome 33:64–77, 192–202.
Inwood, Brad, ed. 2003. Cambridge Companion to the Stoics. Cambridge: Cambridge University Press.
. 2005. Reading Seneca: Stoic Philosophy at Rome. Oxford: Oxford University Press / Clarendon Press.
Kaster, R. A. 2005. Emotion, Restraint and Community in Ancient Rome. Oxford: Oxford University Press.
Sorabji, Richard. 1997. “Is Stoic Philosophy Helpful as Psychotherapy?” In Aristotle and After, Bulletin of the Institute of Classical Studies Supplement 68, ed. R. Sorabji, pp. 197–209.
Warren, James. 2002. Epicurus and Democritean Ethics: An Archaeology of Ataraxia. Cambridge: Cambridge University Press. Williams, Bernard. 1997. “Stoic philosophy and the Emotions: Reply to Richard Sorabji.” In Aristotle and After, Bulletin of the Institute of Classical Studies Supplement 68, ed. R. Sorabji, pp. 211–13.
Williams, G. D., ed. 2003. Seneca: “De Otio,” “De Brevitate Vitae.” Cambridge: Cambridge University Press.