Old natura brevium

OLD NATURA BREVIUM. The title of an old English book, (usually cited Vet. N. B.) so called to distinguish it from the F. N. B. It contains the writs most in use in the reign of Edward III, together with a short comment on the application and properties of each of them,

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.