Second Book of Paralipomenon (Author Compiled by Isaias and Esdras from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
1:14congregavitque sibi currus et equites et facti sunt ei mille quadringenti currus et duodecim milia equitum et fecit eos esse in urbibus quadrigarum et cum rege in Hierusalem
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.