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
New Testament letter composed under the guise of a presumably lost letter of the Apostle Paul, the Epistle to the Laodiceans. The books of the New Testament were all or nearly all written by Jewish Christians—that is, Jewish disciples of Christ, who lived in the Roman Empire, and under Roman occupation. Luke, who wrote the Gospel of Luke and the Book of Acts, is frequently thought of as an exception; scholars are divided as to whether Luke was a Gentile or a Hellenistic Jew. A few scholars identify the author of the Gospel of Mark as probably a Gentile, and similarly for