Encyclopedia Mythica An on-line encyclopedia on the mythologies of the world, from the familiar (Greek and Roman) through the obscure (Latvian and Aztec). Entries are brief but often useful.
Greek Mythology A simple introduction to major figures in Greek mythology, with a list of Homeric references. Useful for beginning students.
Greek Mythology A rudimentary hyperlinked guide to major gods, myths, and creatures. Littered with commercials.
Greek Mythology: Chapters in Pre-History (William Harris, Middlebury) A critique of Joseph Campbell's approach to mythology in a dozen chapters "designed to investigate the myths as thinly cloaked chapter in an ancient Historical Tradition, which goes far back into the history of the Near East
Worlds of Late Antiquity (Jim O'Donnell, Penn) "A home page for miscellaneous materials relating to the culture of the Mediterranean world in late antiquity (roughly 200-700 C.E.)." Includes links and a reading list.