Second Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
24:9dedit ergo Ioab numerum descriptionis populi regi et inventa sunt de Israhel octingenta milia virorum fortium qui educerent gladium et de Iuda quingenta milia pugnatorum
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.