2 Kings (Author Compiled by Isaiah and Jeremiah from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
19:20And Isaiah the son of Amoz sent to Hezekiah, saying, Thus saith Jehovah the God of Israel: That which thou hast prayed to me concerning Sennacherib king of Assyria I have heard.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.