Pacem in terris encyclical letter of his holiness Pope John XXIII - John XXIII, Pope, 1881-1963; Gibbons, William J. (New York (N.Y.) Paulist, 1963)
Keywords: 262.13 JOANNES XXIII -- Pausschap. Heilige Stoel. Vaticaan. Paus als soeverein--JOANNES XXIII