Motu Proprio
Ad suburbicarias diœceses
Reserving for the pope the right to make the appointment to suburbicarian sees
by Saint Pope John XXIII (1961.03.10)
Apostolic Letter
Le voci che da tutti
For the protection of St. Joseph on the Second Vatican Council
by Saint Pope John XXIII (1961.03.19)
Encyclical
Mater et Magistra
Mother and Teacher
On Christianity and social progress
by Saint Pope John XXIII (1961.05.15)
Encyclical
Æterna Dei sapientia
God’s Eternal Wisdom
For the 15ᵗʰ centenary of the death of St. Leo I: The See of Peter as the centre of Christian unity
by Saint Pope John XXIII (1961.11.11)
Apostolic Constitution
Humanæ salutis
Convocating the Second Vatican Council
by Saint Pope John XXIII (1961.12.25)
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