Columbia subject headings:
Europe--Economic conditions--20th century.
Marginality, Social--Europe--Congresses.
Poverty--Europe--Congresses.
Harvard subject headings:
Democracy--Congresses
Europe--Economic conditions--1945---Congresses.
Europe--Politics and government--1989---Congresses.
Europe--Social conditions--20th century--Congresses.
Free enterprise--Congresses
Princeton subject headings:
Europe--Economic conditions--20th century.
Marginality, Social--Europe.
Poverty--Europe.