Second Book of Paralipomenon (Author Compiled by Isaias and Esdras from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
11:1venit autem Roboam in Hierusalem et convocavit universam domum Iuda et Beniamin in centum octoginta milibus electorum atque bellantium ut dimicaret contra Israhel et converteret ad se regnum suum
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.