Second Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
21:1facta est quoque fames in diebus David tribus annis iugiter et consuluit David oraculum Domini dixitque Dominus propter Saul et domum eius et sanguinem quia occidit Gabaonitas
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.