Columbia subject headings:
Pius XII, Pope, 1876-1958.
World War, 1939-1945--Religious aspects--Catholic Church.
Harvard subject headings:
Pius XII, Pope, 1876-1958.
World War, 1939-1945--Religious aspects--Catholic Church
Princeton subject headings:
Pius XII, Pope, 1876-1958.
World War, 1939-1945--Catholic Church.