First Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
24:3et venit ad caulas quoque ovium quae se offerebant vianti eratque ibi spelunca quam ingressus est Saul ut purgaret ventrem porro David et viri eius in interiori parte speluncae latebant
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.