Categories of New Testament manuscripts text (i.e. the four Gospels combined into a single narrative). Categories of New Testament manuscripts New Testament manuscripts in Greek are categorized into five groups, according to a scheme introduced in 1981 by Kurt and Barbara Aland in "The text of the New Testament". The categories are based on how each manuscript relates to the various text-types. Generally speaking, earlier Alexandrian manuscripts are category I, while later Byzantine manuscripts are category V. Aland's method involved considering 1000 passages where the Byzantine text differs from non-Byzantine text. The Alands did not select their 1000 readings from all of the NT books;
Historical reliability of the Gospels of Durham and university professor, has stated that "Certainly not! There is absolutely no certainty in the New Testament about anything of importance." Critical scholars have developed a number of criteria to evaluate the probability, or historical authenticity, of an attested event or saying represented in the gospels. These criteria are applied to the gospels in order to help scholars in reconstructions of the Historical Jesus. The criterion of dissimilarity argues that if a saying or action is dissimilar to, or contrary to, the views of Judaism in the context of Jesus or the views of the early church, then