This subseries consists mainly of Vatican materials including encyclical letters by Pope Paul VI and Pope John Paul II, Bolletinos, Vatican Press releases, Papal Press files, and a number of Missas from Masses presided by respective Popes. Other publications included in this series are Synodus Episcorum, Briefings, Pro Vita Mundi, L’Osservatore Romano, CathNews newsletters, and Radio Vaticana bulletins.