Columbia subject headings:
Harvard subject headings:
Economic development--Congresses
Economic forecasting--Congresses.
Economic geography--Congresses.
Economic history--1945---Congresses
Economic history--1990---Congresses
Economic policy--Congresses.
Princeton subject headings:
Economic development--Congresses.
Economic forecasting--Congresses.
Economic history--1945---Congresses.
Economic policy--Congresses.