Second Book of Esdras (Author Nehemias or Esdras or both)
12:47et omnis Israhel in diebus Zorobabel et in diebus Neemiae dabat partes cantoribus et ianitoribus per dies singulos et sanctificabant Levitas et Levitae sanctificabant filios Aaron
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.