Romes master-peece, or, The grand conspiracy of the Pope and his Iesuited instruments to extirpate the Protestant religion : re-establish popery, subvert lawes, liberties, peace, parliaments by kindling a civill war in Scotland and all His Majesties realmes, and to poyson the King himselfe in case he comply not with them in these their execrable designes : revealed out of [c]onscience to Andreas ad Habernfeld by an agent sent from Rome into England ... who discovered it to Sir William Boswell ... 6 Septem. 1640; he ... to the Arch-Bishop of Canterbury, among whose papers it was casually found by Master Prynne, May 31, 1643, who communicated it to the King ...