1 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
21:2And David saith unto Joab, and unto the heads of the people, `Go, number Israel from Beer-Sheba even unto Dan, and bring unto me, and I know their number.'
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.