As a consequence of my endeavor to produce a Modern Hebrew translation of the Gospel of Mark I began to develop a different picture of the interrelationship of the Synoptic Gospels than that which is espoused by most New Testament scholars.
“They Didn’t Dare” (Matt 22:46; Mark 12:34; Luke 20:40): A Window on the Literary and Redactional Methods of the Synoptic Gospel Writers
Mark’s placement of Jesus’ “no longer dared” comment is very awkward: first, because the comment comes in the middle of a lovefest between Jesus and a scribe; and second, because the comment immediately follows Jesus’ appreciation of the scribe’s wisdom: “You are not far from the Kingdom of God.”
Selected Examples of Rewriting in Mark’s Account of Jesus’ Last Week

It has been noted that in instances where Mark’s editorial hand restructured his story, Luke has preserved a more primitive form of the account, a form that is independent of Mark’s influence. Gospel scholars need to properly evaluate Mark’s editorial style and acknowledge that frequently a theological agenda influenced his rewriting.
The Synoptic Problem Home Page and Other Internet Resources
The most ambitious of these reference materials is a four-color Greek synopsis, which is designed to highlight the agreements and differences in wording between Matthew, Mark and Luke.
Book Review: Robert Lindsey’s A Comparative Greek Concordance of the Synoptic Gospels

With the publication of the third and final volume of A Comparative Greek Concordance of the Synoptic Gospels, Dr. Robert Lindsey has given to the scholars who have been following his work, as well as to future scholarship, a necessary tool for the study of the synoptic Gospels.