A Letter written to His Majesty's principal secretaries of state, by the ministers of the several Roman Catholick Princes and states residing here; Complaining of a clause relating Popish priests, attending such ministers, in His Majesty's proclamation of the 6th of December 1745. For putting the Laws in Execution against Jesuits and Popish Priests, &c. With the answer returned thereto by His Majesty's said principal secretaries.