Peace on earth a community on Pope John's encyclical - Riga, Peter; Catholic Church, Pope, 1958-1963 (Joannes XXIII) Pacem in terris (11 Apr. 1963). ([New York] Herder and Herder, 1964)
Keywords: Catholic Church. -- Pope, 1958-1963 (Joannes XXIII) Pacem in terris (11 Apr. 1963).