Columbia subject headings:
Harvard subject headings:
Pérez Guerrero, Manuel, 1911-
United Nations--Venezuela--History.
Princeton subject headings:
Diplomats--Venezuela.
Economic development.
International cooperation.
International economic relations.
Pérez Guerrero, Manuel, 1911-1985--Career in diplomacy.
Pérez Guerrero, Manuel, 1911-1985--Political and social views.
United Nations--Economic assistance.
United Nations--Venezuela--History.