Matthew and Luke
Discussion of the extensive similarities between the Gospels of Matthew and Luke. It's possible that Mark was already written and they used that as a source. It's aslo likely that they had in common other oral and written sources of what Jesus did and taught.
III. The Relationship between Matthew and Luke
A. The Relationship of Matthew and Luke
B. Location of Q Material
1. Sayings of Jesus in Matthew
2. Q Material in Luke
3. Development of Sayings in Matthew and Luke