The tryals and condemnation, of five notorious Jesuits, Popish-Priests and traytors : viz. Thomas White, alias Whitebread, William Harcourt, alias Harrison, John Fenwick, John Gavern, alias Gawen, Anthony Turner : and also of Mr. Richard Langhorn, counsellor at law, who were all found guilty of high-treason : for conspiring to murder the King, subvert the government, root out the Protestant religion, and establish Popery, &c. : on a fair tryal, at a sessions of Oyer and Terminer, holden at the Sessions-House in the Old Baily, on the 13th and 14th of this instant June 1679 : with an account of several letters and commissions, sealed with the broad seal of Rome, some of which were produced in court.