Please show the reference in the Bible that states that henceforth only references in the Bible are admissible.
So you're still having trouble with the Sola Scriptura thing? Well what else have we to reliably go by? Your churchs traditions? They have been proven to be unreliable. What did Jesus practice? When confronted by the devil himself, He fought back with "It is written . . . " and defeated him. What does the Word of God say? 2Tim. 3:16,17 "All scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness; that the man of God may be perfect, thoroughly furnished into all good works".