The Bible

The Bible generally refers to the texts of Judaism and Christianity. The main direct references in Supernatural to the Bible relate to the prophesy regarding the Apocalypse in The Book of Revelation, which is the last book in the Christian New Testament.

References

• 4.02 Are You There, God? It's Me, Dean Winchester - Bobby found out about The Rising of The Witnesses by browsing through a widely distributed version of the book of Revelations.
• 5.02 Good God, Y'All - The book of Revelations foretold the arrival of Wormwood aka War.
• 5.06 I Believe the Children Are Our Future - Castiel told the Winchesters' that the Bible is in fact wrong, on some level. Castiel said that the Anti-Christ isn't Lucifer's child, instead is a Demon Spawn. The Bible never actually names the Anti-Christ as Lucifer's child, that is more an interpretation of popular culture.