An act of the estates of Scotland in the yeare 1643 : And letters of horning and rebellion against James Duke of Hamilton, William Earle of Morton, Robert Earle of Roxbrough, George Earle of Kinnoule, and William Earle of Lanerick, as enemies to religion, and the peace of the kingdomes : with a letter from a person of qualitie in London, to some friends in Scotland : advising about the said duke and earles : and other affaires now transacting in Scotland, worthy of observation