Neb. Rev. Stat. § 25-1290: Neb. Rev. Stat. § 25-1290

The proceedings of the Legislature of this state, or any state of the Union, or of the United States, or of any foreign government, are proved by the journals of those bodies, respectively, or of either branch thereof, and either by copies officially certified by the clerk of the house in which the proceedings were had, or by a copy purporting to have been printed by their order.