73 With this cherished hope We impart to each of you, Venerable Brethren, to all the clergy and people, and especially to those who promote this most holy cause, either at home by prayer and offerings, or by their labors in foreign lands, as a pledge of heavenly graces and of Our paternal affection, the Apostolic Benediction. Given at Rome, St. Peter's, 2nd day of June, the Feast of St. Eugene I, in the year 1951, the 13th of Our Pontificate.
Source: Evangelii Praecones (Vatican.va)