A treatise of the antiquity, authority, uses and iurisdiction of the ancient Courts of Leet, or view of franck-pledge and of subordination of government derived from the institution of Moses, the first legislator : and the first imitation of him in this island of Great Britaine, by King Alfred and continued ever since : together with additions and alterations of the moderne lawes and statutes inquirable at those courts, until this present yeare, 1642 : with a large explication of the old oath of allegiance and the kings royall office of protectection annexed /