Columbia subject headings:
Economic development--Environmental aspects--Congresses.
Economic development--Social aspects--Congresses.
Germany (West)--Economic conditions--Congresses.
Japan--Economic conditions--1945---Congresses.
Harvard subject headings:
Economic development--Environmental aspects--Congresses
Economic development--Social aspects--Congresses
Germany (West)--Economic conditions--Congresses.
Japan--Economic conditions--1945---Congresses.
Princeton subject headings: