Pope Giovanni XXIII - Official web site of the birthplace of John XXIII, in Sotto il Monte. Lavishly illustrated biography, some episodes in greater detail, news, petitions. All of his encyclicals, and some other writings by or about him, in PDF. Pope John XXIII (Angelo Roncalli), Bishop - Biography. With prayer in traditional and contemporary language. Everything2: Pope John XXIII - Biography of the most popular pope of the 20th century. The Holy See: Pope John XXIII - Short biography of John XXIII, at the Vatican's official web site. Office of Papal Liturgical Celebrations: Pope John XXIII - Biographical article published in L'Osservatore Romano 6 September 2000, and Pope John Paul II's homily at the beatification. CatholicSaints.Info: Pope Blessed John XXIII - Illustrated profile, with links.