Series 1 of the set Ecclesiastical Authority in England reproduces original manuscripts held at Cambridge University Library. Contains the main sequence of Instance Act Books (1374–1640), covering cases between parties, particularly marriage and tithe cases. Part 2 contains the Office Act Books (1469–1639), which treat the spiritual and moral welfare of both clergy and laity. This is supplemented by a collection of Formularies, dealing with matters as diverse as sequestrations, commissions of offices, proceedings against lollards, inquisitions, and dispensations