1 Kings (Author Compiled by Isaiah and Jeremiah from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
18:4and it cometh to pass, in Jezebel's cutting off the prophets of Jehovah, that Obadiah taketh a hundred prophets, and hideth them, fifty men in a cave, and hath sustained them with bread and water --
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.