Columbia subject headings:
Price regulation--Great Britain.
Price regulation--United States.
World War, 1914-1918--Economic aspects--Great Britain.
World War, 1914-1918--Economic aspects--United States.
Harvard subject headings:
Prices--Great Britain
Prices--United States
World War, 1914-1918--Economic aspects--Great Britain
World War, 1914-1918--Economic aspects--United States
Princeton subject headings:
Prices--Great Britain.
Prices--United States.
World War, 1914-1918--Economic aspects--Great Britain.
World War, 1914-1918--Economic aspects--United States.