Columbia subject headings:
Economic history--20th century.
Money--Europe--History--20th century.
Money--United States--History--20th century.
Harvard subject headings:
Economic history--20th century
Money--Europe--History--20th century.
Money--United States--History--20th century.
Princeton subject headings:
Economic history--20th century.
Money--Europe--History--20th century.
Money--United States--History--20th century.