Egyptian
Texts, Ancient Egyptian Religion, Per Aset - Domain of Aset, Religion of Ancient Egypt, The Egyptian Culture Reflected in Worship, Walk Like An Egyptian
Hellenic
Texts and Rituals, A Hiera Mysteria, Ancient Greek Religion, Ancient Greek Religion & Mythology, Biblioteca Arcana, Demeter, the Thesmophoria, and the Eleusinian Myst, Dionysiac Mysteries and the Thesmophoria, Greek Religion, Greek Religion at Thinkquest.org, Marriage and Funerals in Athens, Olympian Gods and Goddesses
Mithraism
Christianity or Mithraism, Electronic Journal of Mithraic Studies, LacusCurtius: Mithraism: An Essay by David Fingrut, Mithra - Encyclopedia Mythica, Mithraism, Mithraism, The Cosmic Mysteries of Mithras, The Ecole Initiative: Mithraism
Roman
Commentary on Vergil's Aeneid -- Jupiter, EAWC Essay: Mithraism, Roman Calendar, The Vestal Virgins of Rome, The Vestals, Vestal Virgins
Associations, Synagogues, and Congregations
Companion to book by Philip A. Harland: illustrated survey of social and religious life in Roman Asia Minor.
Sacred-Texts: Classical Paganism
Translations of Greek and Roman texts.