Two letters from H. H. Pius VI : to the Bishop of Leon, and the prelates of Germany. To which are added a letter from Cardinal Antonelli ... by order of H. H. to the bishops, vicars apostolic, etc. of the Church of Rome, in His Majesty's dominions. With extracts of a letter from Cardinal Gerdill ... and from Cardinal Antonelli to the Roman Catholic prelates of Ireland. (1795)