A discouerie of the vnnatural and traiterous conspiracie of Scottish papists, against God, his church, their natiue countrie, the Kings Maiesties person and estate: set dovvne, as it vvas confessed and subscribed by Maister George Ker, yet remaining in prison, and Dauid Grahame of Fentrie, iustly executed for his treason in Edenburgh, the 15. of Februarie. 1592. Whereunto are annexed, certaine intercepted letters, written by someof that faction to the same purpose. First printed and published in Scotland, at the speciall commandement of the Kings Maiestie