Aeterna Dei sapientia
   §
 1 1      |     Commemorating the fifteenth centenary of the death of St. Leo
 2 2      |      And now, on this fifteenth centenary of his death, We feel it
 3 18     | Catholic world on the fifteenth centenary of its convocation.17~The
 4 70     |         Brethren, the fifteenth centenary of the death of St. Leo


Princeps pastorum
   §
 5 2      |   Whitsunday in 1922, the third centenary of the foundation of the


Sacerdotii nostri primordia
   Chapter, §
 6    ,8  |         on the occasion of this centenary. ~A Model for the Clergy~
 7   2,58 |       spurred to do this by the centenary celebrations that are being
 8   3,82 |       solemn celebration of the centenary of the holy catechist and
 9   3,83 |         on the occasion of this centenary, God wants to cast new light
10   3,96 |        hopes We have that these centenary celebrations will, with
11   3,105|         On the occasion of this centenary celebration, We would also
12   3,116|       link together this double centenary, of Lourdes and of Ars,