Encyclical letter (Rerum Ecclesiae) of His Holiness, Pius XI, by Divine Providence, Pope, to the bishops throughout the Catholic world on the propagation of the faith.
Catholic Church.Pope (1922-1939 : Pius XI)
Catholic Truth Society (Great Britain)
London : Catholic Truth Society,
1936.
On t.p. verso: Reprinted by  permission of Burns Oates and Washbourne ... revised July, 1936.
Cover title: The propagation of the faith.
At head of cover: The encyclical Rerum Ecclesiae.
At head of cover: Do 154.