Analysis of information sources in references of the Wikipedia article "عهد عتیق" in Persian language version.
Jeremiah.....were first written down in 604 B.C. by his friend and amanuensis Baruch, and the roll thus formed must have formed the nucleus of the present book. Some of the reports of Jeremiah's prophecies, and especially the biographical narratives, also probably have Baruch for their author. But the chronological disorder of the book, and other indications, show that Baruch could not have been the compiler of the book