Columbia subject headings:
Foreign exchange--History--19th century.
Greenbacks--History--19th century.
Inflation (Finance)--United States--History--19th century.
Paper money--United States--History--19th century.
Harvard subject headings:
Foreign exchange--History--19th century.
Greenbacks--History--19th century.
Inflation (Finance)--United States--History--19th century.
Paper money--United States--History--19th century.
Princeton subject headings: