2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
3:3And in these hath Solomon been instructed to build the house of God: The length in cubits by the former measure is sixty cubits, and the breadth twenty cubits.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.