Columbia subject headings:
Business--Religious aspects--Protestant churches--History--20th century.
Protestant churches--United States--History--20th century.
Protestantism--History--20th century.
United States--Civilization--1918-1945.
Harvard subject headings:
Business--Religious aspects--Protestant churches--History--20th century.
Protestant churches--United States--History--20th century.
Protestantism--History--20th century.
United States--Civilization--1918-1945.
Princeton subject headings:
Business--Religious aspects--Protestant churches--History--20th century.
Protestant churches--United States--History--20th century.
Protestantism--History--20th century.
United States--Civilization--1918-1945.