The Doctrine of Addai and the Letters of Jesus and Abgar

The Doctrine of Addai tells the story of how Christianity came to the Syrian city of Edessa. It incorporates and adapts a correspondence between Jesus and the Syrian king Abgar, who wrote to Jesus requesting healing from a long-term illness. In his response, Jesus promises to send him an apostle, Addai (sometimes called Thaddaeus), who will heal Abgar's disease and establish Christianity in his kingdom. The exchange between Jesus and Abgar and Edessa's subsequent evangelization by Addai function