Robert Wilken provides a long laundry list of Celsus' anti-Christian views and beliefs.

Read an excerpt from Origen's 3rd century critique of Celcus' 2nd century account of the birth of Jesus and his time spent in Egypt.

Hyperhistory.com provides this short profile of the Roman writer most known for his medical works.

Thomas F.Bertonneau examines Celsus' work entitled "The True Doctrine," a second century anti-Christian manifesto.

Furnishes an overview of the life and works of the Platonist and anti-Christian writer Celsus.

Gnostic Society Library provides the complete text of Origen's work entitled "Contra Celsus," a refutation of Celcus' writings about Christ.