1 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
24:31and they cast, they also, lots over-against their brethren the sons of Aaron, before David the king, and Zadok, and Ahimelech, and heads of the fathers, for priests and for Levites; the chief father over-against his younger brother.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.