1 Kings (Author Compiled by Isaiah and Jeremiah from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
5:13And king Solomon raised a levy out of all Israel; and the levy was thirty thousand men.
5:14And he sent them to Lebanon, ten thousand a month by courses: a month they were in Lebanon, and two months at home: and Adoniram was over the levy.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.