Oral gospel traditions called the M source for Matthew and the L source for Luke, which may have been a mix of written and oral material (see Two-source hypothesis). Most scholars believe that the author of John's gospel used oral and written sources different from those available to the Synoptic authors – a "signs" source, a "revelatory discourse" source, and others – although there are indications that a later editor of this gospel may have used Mark and Luke. Oral transmission may also be seen as a different approach to understanding the Synoptic Gospels in New Testament scholarship. Current theories attempt to link
Gospel apostles. The Gospel was presumably written between the 14th and the 16th century. It contradicts the ministry of Jesus in canonical New Testament, but has clear parallels with the Islamic faith, by mentioning Muhammad as Messenger of God. It also strongly deny Pauline doctrine, and Jesus testified himself as a prophet, not the son of God. Marcion of Sinope, c. 150, had a much shorter version of the gospel of Luke, differing substantially from what has now become the standard text of the gospel and far less oriented towards the Jewish scriptures. Marcion is said to have rejected all other