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• M. Evans, “Can Epicureans Be Friends?” Ancient Philosophy 24 (2004), 407-24.

• P. Mitsis, Epicurus’ Ethical Theory: the Pleasures of Invulnerability (Ithaca: 1988).

• G. Striker, “Ataraxia: Happiness as Tranquillity” and “Epicurean Hedonism,” in G. Striker, Essays in Hellenistic Epistemology and Ethics (Cambridge: 1996), 183-95 and 196-208.

• D.K. O’Connor, “The Invulnerable Pleasures of Epicurean Friendship,” Greek, Roman and Byzantine Studies 30 (1989), 165-86.

• T. O’Keefe, “Is Epicurean Friendship Altruistic?” Apeiron 34 (2001), 269–305.

• J. Warren, “Epicurus and the Pleasures of the Future,” Oxford Studies in Ancient Philosophy 21 (2001), 135-79.

• R. Woolf, “What Kind of Hedonist was Epicurus?” Phronesis 49 (2004), 303-22.

