Columbia subject headings:
Free enterprise.
United States--Economic conditions--To 1865.
United States--Economic policy--To 1933.
Harvard subject headings:
Free enterprise.
United States--Economic conditions--To 1865.
United States--Economic policy--To 1933.
Princeton subject headings:
Free enterprise.
United States--Economic conditions--To 1865.
United States--Economic policy--To 1933.