Columbia subject headings:
Harvard subject headings:
United States--Church history--20th century.
World War, 1914-1918--Religious aspects--Christianity
World War, 1914-1918--United States--Religious aspects.
Princeton subject headings:
United States--Church history--20th century.
World War, 1914-1918--Religious aspects--Christianity.
World War, 1914-1918--United States.