Christianity or Mithraism: An essay discussing the prevalence of Mithraism at the time of Constantine and the effects of his decision to embrace Christianity.
Electronic Journal of Mithraic Studies: Revival of the Journal of Mithraic Studies edited by Dr. Richard Gordon, concerning any aspect of the mysteries of Mithras.
LacusCurtius: Mithraism: An Essay by David Fingrut: A general survey of Mithraic religion, with bibliography and photograph of a 2nd-century Roman Mithraic marble statue from the British Museum.
Mithra - Encyclopedia Mythica: Encyclopedia article presenting basic information on this old-Iranian god of light, contracts and friendship.
Mithraism: The history and origins of this religion. Information on its hellenization and relationship with Christianity.
Mithraism: Mithraism is the worship of Mithras. Offshoot of Zorastrianism. According to legend, Mithraism
The Cosmic Mysteries of Mithras: An illustrated article (from Biblical Archaeology Review) by David Ulansey, based on his book "The Origins of the Mithraic Mysteries".
The Ecole Initiative: Mithraism: An excellent article on the history of Mithraism.