In Ipso §7

⁷ As for the faithful, who are exposed to such dangers and snares, propose various aids which they can themselves apply: sermons on divine subjects; catechetical instruction suitable for different persons, ages, and places, pious sodalities of many kinds, which the Church recommends; the proper observation of the religious feasts; those institutes or works which will preserve the faithful, especially young people, from corruption and will encourage frequent reception of the sacraments; finally, books, newspapers, and similar publications which will advance the faith and safeguard morals.