Columbia subject headings:
Business planning--United States--History--20th century.
Planning--United States--History--20th century.
Social sciences--United States--History--20th century.
United States--Economic policy--To 1933.
Harvard subject headings:
Business planning--United States--History--20th century.
Planning--United States--History--20th century.
Social sciences--United States--History--20th century.
United States--Economic policy--To 1933.
Princeton subject headings:
Business planning--United States--History--20th century.
Planning--United States--History--20th century.
Social sciences--United States--History--20th century.
United States--Economic policy--To 1933.