Third Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
18:19verumtamen nunc mitte et congrega ad me universum Israhel in monte Carmeli et prophetas Baal quadringentos quinquaginta prophetasque lucorum quadringentos qui comedunt de mensa Hiezabel
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.