| Leo XIII wrote some eleven encyclicals on the rosary and decided that October would be dedicated to it. |
| Pope John Paul II has written 14 encyclicals, 14 apostolic exhortations, 11 apostolic constitutions, 43 apostolic letters, and 28 motu proprios. |
| Apart from 14 encyclicals, 41 apostolic letters and 19 motu proprios, he has also published a large number of books. |
| The Pope issued 13 encyclicals, including three on socio-economic questions, and wrote several best-selling books. |
| For the next hundred years, scholars, theologians, and students will be pouring over the papal encyclicals that have come out of the Vatican. |
| Similarly, he discusses two papal encyclicals that express views of marriage different from those that had prevailed earlier. |
