Columbia subject headings:
Currency question--United States--History--20th century.
Currency question--United States--History--21st century.
Federal Reserve banks--History--20th century.
Federal Reserve banks--History--21st century.
Monetary policy--United States--21st century.
Monetary policy--United States--History--20th century.
Money--United States--History--20th century.
Money--United States--History--21st century.
Harvard subject headings:
Currency question--United States--History--20th century.
Currency question--United States--History--21st century.
Currency question--United States--History.
Federal Reserve banks--History--20th century.
Federal Reserve banks--History--21st century.
Monetary policy--United States--21st century.
Monetary policy--United States--History--20th century.
Monetary policy--United States.
Money--United States--History
Money--United States--History--20th century.
Money--United States--History--21st century.
Princeton subject headings:
Currency question--United States--History--20th century.
Currency question--United States--History--21st century.
Federal Reserve banks--History--20th century.
Federal Reserve banks--History--21st century.
Monetary policy--United States--21st century.
Monetary policy--United States--History--20th century.
Money--United States--History--20th century.
Money--United States--History--21st century.