PBS
Pbs Frontline: The Gospel of Thomas
The complete text of the gospel which includes over 100 sayings of Jesus as taken down by Didymos Judas Thomas.
New Advent
Catholic Encyclopedia: The Gospel of Matthew
This is a scholarly explanation of the origin and content of the Gospel of Matthew in the New Testament. Please note that "The Catholic Encyclopedia" is a historic reference source and should be viewed in the context of resource material...
PBS
Pbs Frontline: Q and the Gospel of Thomas
An intriguing article that discusses the the possibility that there was another unknown Gospel and the finding of the Gospel of Thomas which was a collection of sayings by Jesus.
PBS
Pbs: The Gnostic Gospels
A detailed account on the finding of the Gospel of Thomas plus a nice survey of what the Gospel contains.