First Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
30:17et percussit eos David a vespere usque ad vesperam alterius diei et non evasit ex eis quisquam nisi quadringenti viri adulescentes qui ascenderant camelos et fugerant
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.