Columbia subject headings:
Democracy--South America--Congresses.
Europe--Politics and government--1989---Congresses.
South America--Politics and government--20th century--Congresses.
Harvard subject headings:
Germany (West)--Politics and government.
Latin America--Politics and government--20th century.
Spain--Politics and government--20th century.
Princeton subject headings:
Germany (West)--Politics and government--Congresses.
Latin America--Politics and government--1980---Congresses.
Representative government and representation--Latin America--Congresses.
Spain--Politics and government--20th century--Congresses.