First Book of Paralipomenon (Author Compiled by Isaias and Esdras from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
Chapter 18
4cepit ergo David mille quadrigas eius et septem milia equites ac viginti milia virorum peditum subnervavitque omnes equos curruum exceptis centum quadrigis quas reservavit sibi
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.