Columbia subject headings:
Economic development--Sri Lanka--Pictorial works.
Sri Lanka--Economic conditions--Pictorial works.
Sri Lanka--Economic policy--Pictorial works.
Harvard subject headings:
Economic development--Sri Lanka--Pictorial works.
Sri Lanka--Economic conditions--Pictorial works.
Sri Lanka--Economic policy--Pictorial works.
Princeton subject headings:
Sri Lanka--Economic conditions--20th century.
Sri Lanka--Economic policy.