2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
Chapter 31
16besides those from three years old and upward who as males were entered in the genealogical register, -- all that came into the house of Jehovah, as the duty of every day required, for their service in their charges, according to their divisions,
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.