2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
21:12And there cometh in unto him a writing from Elijah the prophet, saying, `Thus said Jehovah, God of David thy father, Because that thou hast not walked in the ways of Jehoshaphat thy father, and in the ways of Asa king of Judah,
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.