First Book of Paralipomenon (Author Compiled by Isaias and Esdras from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
23:24hii filii Levi in cognationibus et familiis suis principes per vices et numerum capitum singulorum qui faciebant opera ministerii domus Domini a viginti annis et supra
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.