Columbia subject headings:
Harvard subject headings:
Economic assistance--Congresses
Economic development--Congresses
Economic policy--Congresses.
India--Economic policy--Congresses.
Lewis, John Prior.
Princeton subject headings:
Developing countries--Congresses.
Economic assistance--Congresses.
Economic development--Congresses.
Lewis, John P. (John Prior), 1921-2010--Congresses.