Pacem in terris. Peace on earth; encyclical letter of His Holiness Pope John XXIII. - Catholic Church. Pope (1958-1963 : John XXIII); Gibbons, William J. (William Joseph), 1912- (New York, Paulist Press, 1963)
Text in English.
"Selected references": p. 78-80.
Keywords: Peace -- Religious aspects -- Catholic Church; Christianity -- 20th century; Christianity and politics