Columbia subject headings:
Cost and standard of living--United States--History.
Prices--United States--History.
Purchasing power--United States--History.
Wages--United States--History.
Harvard subject headings:
Cost and standard of living--United States--History.
Prices--United States--History.
Purchasing power--United States--History.
Wages--United States--History.
Princeton subject headings:
Cost and standard of living--United States--History.
Prices--United States--History.
Purchasing power--United States--History.
Wages--United States--History.