15 With this confidence, We impart, from our heart, the Apostolic Benediction, as a pledge of Divine graces and of our paternal affection, to all of you, Venerable Brothers, to your clergy and faithful, and to all those who in a special manner correspond with these our exhortations. Given at Rome, at St. Peter's July 19, 1950, the twelfth of our Pontificate.
Source: Summi Maeroris (Vatican.va)