Columbia subject headings:
Catholic Church--United States--History--20th century.
Catholics--United States--History--20th century.
National Catholic War Council (U.S.)
National Catholic Welfare Conference.
United States--Church history--20th century.
World War, 1914-1918--Catholic Church.
Harvard subject headings:
Catholic Church--United States--History--20th century.
Catholics--United States--History--20th century.
National Catholic War Council.
National Catholic Welfare Conference
United States--Church history--20th century.
World War, 1914-1918--Religious aspects--Catholic Church
Princeton subject headings: