Columbia subject headings:
Basic needs--Developing countries--Congresses.
Economic assistance--Developing countries--Congresses.
Food relief--Developing countries--Congresses.
Food supply--Developing countries--Congresses.
Singer, H. W. (Hans Wolfgang), 1910-2006--Congresses.
Harvard subject headings:
Food supply--Developing countries
Singer, H. W. (Hans Wolfgang), 1910-2006.
Princeton subject headings:
Agricultural assistance--Developing countries.
Economic development.
Food relief--Developing countries.
Food supply--Developing countries.
Poor--Developing countries.
Singer, H. W. (Hans Wolfgang), 1910-2006.