There is an unbroken chain of writers discussing the New Testament that goes back to soon after the Gospels were written.
The writings of the church fathers are referred to as "the tradition" or as "patristic sources" in most discussions of this subject. All information from after this time either depends on earlier available sources or is suspect because we are unable to determine what the earlier sources are.
For my purposes I will look at the most relevant information from before A. Unfortunately, the questions of New Testament authorship and dating are not cut and dried. There is substantial variation in the writings of the church fathers.
The church fathers did not have the current understanding of history and authorship. To determine New Testament authorship as best we can, we use the earliest of the patristic sources augmented by the internal evidence of the New Testament.
Both used a written form of the Gospel of Mark as source material for their own narratives.
When the New Testament was written is a significant issue, as one assembles the overall argument for Christianity.
In the sixteenth century the Greek New Testament was published for the first time in printed form.The authors must have clear links to the eyewitnesses (or be eyewitnesses) to reduce the possibility of communication mistakes.We will learn that even in the most pessimistic, but rational, reading of the data, we come to the understanding that the authors of the New Testament are close enough to the events to be able to give an accurate picture of historical events.Related topics: Our sources When were the New Testament writtings accepted as scripture? This slide graphically presents some important first-century dates and events, including the writing of and relationships among the Gospels.