Third Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
6:3et porticus erat ante templum viginti cubitorum longitudinis iuxta mensuram latitudinis templi et habebat decem cubitos latitudinis ante faciem templi
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.