1 Kings (Author Compiled by Isaiah and Jeremiah from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
6:20And the oracle within was twenty cubits in length, and twenty cubits in breadth, and twenty cubits in the height thereof; and he overlaid it with pure gold; and he overlaid the cedar-wood altar --
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.