Third Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
20:29dirigebant septem diebus ex adverso hii atque illi acies septima autem die commissum est bellum percusseruntque filii Israhel de Syris centum milia peditum in die una
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.