0 ENCYCLICAL OF POPE PIUS XII ON COMMUNISM AND THE CHURCH IN CHINA TO OUR VENERABLE BRETHREN AND BELOVED CHILDREN, THE ARCHBISHOPS, BISHIOPS, OTHER LOCAL ORDINARIES AND CLERGY AND PEOPLE OF CHINA IN PEACE AND COMMUNION WITH THE APOSTOLIC SEE Venerable Brethren and Beloved Children, Greetings and Apostolic Benediction . At the tomb of the Prince of the Apostles, in the majestic Vatican Basilica, Our immediate Predecessor of deathless memory, Pius XI, duly consecrated and raised to the fullness of the priesthood, as you well know, "the flowers and . . . latest buds of the Chinese episcopate."
Source: Ad Apostolorum Principis (Vatican.va)