Electronic Texts - Epicurus: HTML of Fragments, Last Will, Letter to Herodotus, Menoecius, and Pythocles, On the Nature of Things, Principle Doctrines, and Vatican Sayings.
Epicurus: An adaptation of the 1910 Hicks translation of Epicurus' writings.
Epicurus.info: Includes a collection of electronic texts, photographs, and links.
Internet Classics Archive - Works by Epicurus: Letter to Menoeceus and Principal Doctrines.
Internet Encyclopedia of Philosophy - Epicurus: Encyclopedia entry on Epicurus.
Victorian Web - Epicurus (342-270 B.C.E.): Highlights of his life and ideas.