First Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
19:11misit ergo Saul satellites suos in domum David ut custodirent eum et interficeretur mane quod cum adnuntiasset David Michol uxor sua dicens nisi salvaveris te nocte hac cras morieris
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.