Selected documents of His Holiness, Pope Pius XII On the function of the state in the modern world - 1939|To the Church in the United States - 1939|Mystici Corporis 1943|Divino Afflante Spiritu 1943|1944 Christmas radio broadcast|Papal directives for the woman of today 1947|Mediator Dei 1947|Humani Gener - Pius XII (Washington National Catholic Welfare Conference, .)