Title: Peace on earth
Subjects: Pacem in terris (Catholic Church. Pope (1958-1963 : John XXIII)), Pacem in terris (Johannes XXIII), Catholic Church, Catholic Church. Pope (1958-1963 : John XXIII), Catholic Church. -- Pope (1958-1963 : John XXIII). -- Pacem in terris, Catholic Church. Pope, 1958-1963 (Joannes XIII)