Columbia subject headings:
Religion and sociology--United States--History--20th century.
United States--Church history--20th century.
United States--Civilization--20th century.
Harvard subject headings:
Religion and sociology--United States--History--20th century.
United States--Church history--20th century.
United States--Civilization--20th century.
United States--Social life and customs--1971-
Princeton subject headings:
Religion and sociology--United States--History--20th century.
United States--Church history--20th century.
United States--Civilization--20th century.
United States--Social life and customs--1971-