Ad Petri Cathedram
  Chapter, §
1   3,69 |  ordinances and definitions of the popes and legitimate Ecumenical
2   4,131|            predecessors-especially Popes Pius XI and Pius XII-have


Aeterna Dei sapientia
  §
3 7      |           illustrious of the early popes, few of whom reigned longer
4 27     |       reputation of this wisest of popes can hardly be rivalled by
5 28     |     councils, the Fathers, and the popes who preceded him. ~
6 72     |           of that most vigilant of Popes who labored and wrote and


Mater et magistra
  §
7 9      | discernible in the writings of the Popes who succeeded Pope Leo.


Sacerdotii nostri primordia
  Chapter, §
8    ,5  |          heavenly patron. ~Earlier Popes on the Priesthood~