Ecclesiae Sanctae
"Motu Proprio"
Implementing Four Council Decrees
August 6, 1966

In Fructibus Multis
"Motu Proprio"
which estabilished the Pontifical Commission
for Social Communications
In Italian
April 2, 1964

Octogesima Adveniens
on the Occasion of the Eightieth Anniversary
of the Encyclical "Rerum Novarum
May 14, 1971

Sacram Liturgiam
Issued "Motu Proprio"
January 25, 1964