Third Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
8:65And Solomon made at the same time a solemn feast, and all Israel with him, a great multitude, from the entrance of Emath to the river of Egypt, before the Lord our God, seven days and seven days, that is, fourteen days.
Original from Project Gutenberg - Massive cleanup of OCR problems and editing done locally.