Biblical canon

====Other apocrypha====
{{main|Biblical apocrypha|New Testament apocrypha}}
Various books that were never canonized by any church, but are known to have existed in antiquity, are similar to the New Testament and often claim apostolic authorship, are known as the [[New Testament apocrypha]]. Some of these writings have been cited as [[Bible|scripture]] by early Christians, but since the fifth century a widespread consensus has emerged limiting the New Testament to the [[Development of the New Testament canon|27 books of the modern canon]].<ref>{{cite book |last=Van Liere |first=Frans |date=2014 |title=An Introduction to the Medieval Bible |pages=68–69 |publisher=Cambridge University Press |isbn=978-0521865784 |url=https://books.google.com/books?id=Dwd-AgAAQBAJ&pg=PA68}}</ref><ref name="Ehrman2003">{{cite book |last=Ehrman |first=Bart D. |author-link=Bart Ehrman |date=2003 |title=Lost Christianities: Battles for Scripture and the Faiths We Never Knew |pages=230–231 |publisher=Oxford University Press |isbn=978-0199756681 |url=https://books.google.com/books?id=HHDNe8KmMAIC&pg=PA230}}</ref> Thus Roman Catholic, Eastern Orthodox and Protestant churches generally do not view these New Testament apocrypha as part of the Bible.<ref name=Ehrman2003/>