Gian Biagio Conte, Latin Literature: A History, translated by Joseph B. Solodow (The Johns Hopkins University Press, 1999), p. 157 online.
Cicero refers to Epicurus, who belonged to the Attic deme of Gargettus: D.R. Shackleton Bailey, Epistulae ad familiares (Cambridge University Press, 1977), p. 379, note 10 online.
Translation by Evelyn Shuckburgh, Cicero: The Whole Extant Correspondence in Chronological Order (London 1900), full text online.
Miriam T. Griffin, "Philosophical Badinage in Cicero's Letters to His Friends," in Cicero the Philosopher, edited by J.G.F. Powell (Oxford University Press, 1999), p. 343 online.
David Sedley, Lucretius and the Transformation of Greek Wisdom (Cambridge University Press, 2003), p. 39 online; Robert D. Brown, Lucretius on Love and Sex (Brill, 1987), p. 175 online.
Emily Gowers, The Loaded Table: Representations of Food in Roman Literature (Oxford University Press, 1996), p. 141 online.