Third Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
8:9in arca autem non est aliud nisi duae tabulae lapideae quas posuerat in ea Moses in Horeb quando pepigit foedus Dominus cum filiis Israhel cum egrederentur de terra Aegypti
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.