Third Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
22:6congregavit ergo rex Israhel prophetas quadringentos circiter viros et ait ad eos ire debeo in Ramoth Galaad ad bellandum an quiescere qui responderunt ascende et dabit Dominus in manu regis
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.