1 Kings (Author Compiled by Isaiah and Jeremiah from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
8:65And at that time Solomon held the feast, and all Israel with him, a great congregation, from the entrance of Hamath unto the torrent of Egypt, before Jehovah our God, seven days and seven days, fourteen days.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.